oracle.com

Checked 22 October 2026, 10:10 UTC · via 8.8.8.8
!Passed with warnings
26 passed 3 warnings 0 failed 2 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2026-12-01

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
2 December 1988
Last changed
30 October 2025
Expires
1 December 2026
Status
client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2026-12-01 #3
    The registration is valid until 2026-12-01 (39 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
NS in the zone
a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
NameserverAddressesNetwork (AS)Glue
a1-160.akam.net193.108.91.160 2600:1401:2::a0AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a11-66.akam.net84.53.139.66 2600:1480:1::42AS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a13-65.akam.net2.22.230.65 2600:1480:800::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a18-67.akam.net95.101.36.67 2600:1480:4800::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
ns1.p201.dns.oraclecloud.net108.59.166.201 2600:2000:2100::c9AS31898 ORACLE-BMC-31898 - Oracle Corporation, US AS31898 ORACLE-BMC-31898 - Oracle Corporation, US-
ns2.p201.dns.oraclecloud.net108.59.168.201 2600:2000:2110::c9AS31898 ORACLE-BMC-31898 - Oracle Corporation, US AS31898 ORACLE-BMC-31898 - Oracle Corporation, US-
ns3.p201.dns.oraclecloud.net108.59.170.201 2600:2000:2120::c9AS31898 ORACLE-BMC-31898 - Oracle Corporation, US AS31898 ORACLE-BMC-31898 - Oracle Corporation, US-
ns4.p201.dns.oraclecloud.net108.59.172.201 2600:2000:2130::c9AS31898 ORACLE-BMC-31898 - Oracle Corporation, US AS31898 ORACLE-BMC-31898 - Oracle Corporation, US-

Checks

  • ✓ 8 nameservers #6
    Delegated to a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 8 IPv4 /24s and 8 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 7 addresses; AS31898 (ORACLE-BMC-31898 - Oracle Corporation, US): 8 addresses.
  • i
    All nameserver names under .net
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-160.akam.net 193.108.91.160NOERROR, 3 ms, authoritativenoyes / yesrefused41824.10
a1-160.akam.net 2600:1401:2::a0NOERROR, 4 ms, authoritativenoyes / yesrefused41824.6
a11-66.akam.net 84.53.139.66NOERROR, 3 ms, authoritativenoyes / yesrefused41824.11
a11-66.akam.net 2600:1480:1::42NOERROR, 4 ms, authoritativenoyes / yesrefused41824.8
a13-65.akam.net 2.22.230.65NOERROR, 3 ms, authoritativenoyes / yesrefused41824.8
a13-65.akam.net 2600:1480:800::41NOERROR, 4 ms, authoritativenoyes / yesrefused41824.4
a18-67.akam.net 95.101.36.67NOERROR, 3 ms, authoritativenoyes / yesrefused48878.29
a18-67.akam.net 2600:1480:4800::43NOERROR, 4 ms, authoritativenoyes / yesrefused48878.32
ns1.p201.dns.oraclecloud.net 108.59.166.201NOERROR, 65 ms, authoritativenoyes / yesrefused-
ns1.p201.dns.oraclecloud.net 2600:2000:2100::c9NOERROR, 174 ms, authoritativenoyes / yesrefused-
ns2.p201.dns.oraclecloud.net 108.59.168.201NOERROR, 65 ms, authoritativenoyes / yesrefused-
ns2.p201.dns.oraclecloud.net 2600:2000:2110::c9NOERROR, 159 ms, authoritativenoyes / yesrefused-
ns3.p201.dns.oraclecloud.net 108.59.170.201NOERROR, 65 ms, authoritativenoyes / yesrefused-
ns3.p201.dns.oraclecloud.net 2600:2000:2120::c9NOERROR, 70 ms, authoritativenoyes / yesrefused-
ns4.p201.dns.oraclecloud.net 108.59.172.201NOERROR, 6 ms, authoritativenoyes / yesrefused-
ns4.p201.dns.oraclecloud.net 2600:2000:2130::c9NOERROR, 162 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 16 nameserver addresses answered.
  • ✓ All authoritative #15
    Every responding nameserver answers authoritatively for the zone.
  • ✓ No recursion #16
    The nameservers do not answer recursive queries for other domains.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-160.akam.net: "41824.10"; a1-160.akam.net: "41824.6"; a11-66.akam.net: "41824.11"; a11-66.akam.net: "41824.8"; a13-65.akam.net: "41824.8"; a13-65.akam.net: "41824.4"; a18-67.akam.net: "48878.29"; a18-67.akam.net: "48878.32". Hide or replace the version string.
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✓ TCP supported #19
    All nameservers answer over TCP.
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2026102201 · primary ns1.p201.dns.oraclecloud.net

Found

Primary (MNAME)
ns1.p201.dns.oraclecloud.net
Contact (RNAME)
hostmaster.oracle.com
Serial
2026102201
Refresh / retry
7200 s / 600 s
Expire
1209600 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
a1-160.akam.net (193.108.91.160)2026102201
a1-160.akam.net (2600:1401:2::a0)2026102201
a11-66.akam.net (84.53.139.66)2026102201
a11-66.akam.net (2600:1480:1::42)2026102201
a13-65.akam.net (2.22.230.65)2026102201
a13-65.akam.net (2600:1480:800::41)2026102201
a18-67.akam.net (95.101.36.67)2026102201
a18-67.akam.net (2600:1480:4800::43)2026102201
ns1.p201.dns.oraclecloud.net (108.59.166.201)2026102201
ns1.p201.dns.oraclecloud.net (2600:2000:2100::c9)2026102201
ns2.p201.dns.oraclecloud.net (108.59.168.201)2026102201
ns2.p201.dns.oraclecloud.net (2600:2000:2110::c9)2026102201
ns3.p201.dns.oraclecloud.net (108.59.170.201)2026102201
ns3.p201.dns.oraclecloud.net (2600:2000:2120::c9)2026102201
ns4.p201.dns.oraclecloud.net (108.59.172.201)2026102201
ns4.p201.dns.oraclecloud.net (2600:2000:2130::c9)2026102201

Checks

  • ✓ Serial 2026102201 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 10m, expire 14d, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.p201.dns.oraclecloud.net is one of the listed nameservers.
  • ✓ Contact hostmaster@oracle.com #25
    The SOA RNAME hostmaster.oracle.com means hostmaster@oracle.com.
  • ✓ Date-based serial #26
    The serial 2026102201 follows the YYYYMMDDnn convention (2026-10-22).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

warn

62 records at the apex

Found

Read from
193.108.91.160:53
TypeValueTTL
SOAns1.p201.dns.oraclecloud.net. hostmaster.oracle.com. 2026102201 7200 600 1209600 90010800
NSa18-67.akam.net.10800
NSns2.p201.dns.oraclecloud.net.10800
NSa11-66.akam.net.10800
NSns1.p201.dns.oraclecloud.net.10800
NSns4.p201.dns.oraclecloud.net.10800
NSa13-65.akam.net.10800
NSa1-160.akam.net.10800
NSns3.p201.dns.oraclecloud.net.10800
A138.1.33.16260
MX20 mxb-00069f01.gslb.pphosted.com.300
MX20 mxa-00069f01.gslb.pphosted.com.300
TXT"atlassian-domain-verification=xpCgyo81RlS8Nywge8zAU0pqo89fXgqXNsCp9VVSIxP2j0Z9sthcjZbygEUlocRy"900
TXT"webexdomainverification.JM3I=c1caad11-9eb5-4c76-877d-06dcfcb95db3"900
TXT"amazonses:rJLKgYvappkvPl76X7w/Eeq6Qdk9AorogfUGE0NB0G8="900
TXT"docusign=061e3d77-6c9b-4908-afd2-b2f02c39ecf2"900
TXT"webexdomainverification.=d3071182-7ce2-4cb6-b315-90e9b7f866dc"900
TXT"webexdomainverification.F00R=81ccb499-274a-447d-a54a-934bb0dafec4"900
TXT"5mqsjfm8mpy57x4xwfs8dbfrgx14vhs5"900
TXT"webexdomainverification.=a3652afd-f531-4076-9a45-1e184df3a2d6"900
TXT"MS=ms68450787"900
TXT"webexdomainverification.=5c0fd5af-2fff-48d7-a138-10711dd460bb"900
TXT"webexdomainverification.=21e2aa9c-745f-4388-a31f-eac4f6c16444"900
TXT"webexdomainverification.=bbd0294a-bc53-46f4-b21c-8dfab1cb7666"900
TXT"atlassian-domain-verification=dKssjBiaoCdxRMWHZE/bBDYu4Wh4oJ6P6tJ/jxDKM37grHev0Qa5eWhnuAi1lJfJ"900
TXT"google-site-verification=IwkBNLXsgiyZ9wUuXa1-PynELZFJlYOduHp7uPcTfdo"900
TXT"cloudhealth=647661d7-af1e-4696-88b6-eed192d10e56"900
TXT"amazonses:w4vl+NQAMony+agN9mt8H5MV4isrTCU3iFGSFSmgs7E="900
TXT"atlassian-domain-verification=1Oromr6nviNhRSPQouu6eUUWlzUzqZt/84xNgWEunEkHEvAK1oY0i9GaHlO7MPi4"900
TXT"webexdomainverification.JRGF=35895e43-87ca-4bdf-8feb-b7a0e22694f3"900
TXT"webexdomainverification.JRJC=6ac35490-0c1a-4729-b3fc-78a568159417"900
TXT"webexdomainverification.=1f146848-946a-45a1-b021-4b3d4ef924d6"900
TXT"v=spf1 include:spf_s.oracle.com include:spf_r.oracle.com include:spf_c.oraclecloud.com include:spf_x.oracle.com include:spf_z.oracle.com include:stspg-customer.com ~all"900
TXT"webexdomainverification.=e86664eb-38ad-46f7-aa1a-60203dfca9a0"900
TXT"anthropic-domain-verification-f69hf4=EP3M2VJ8RvglBNY3ipKf1ChUb"900
TXT"webexdomainverification.=cfeaa219-cb2c-458e-baea-d24703ba2355"900
TXT"ciscocidomainverification=1864e14e0478e40197a9f4b07e52f6add508db236b82a10b6aa2df2eac6fe75b"900
TXT"google-site-verification=Tpoo3Bhw4cI4JjPp4v2RZz3JzSNkYg98yPwOLanQ2gI"900
TXT"google-site-verification=RzPlMxOfod0eiMchm-MP3BhdhPgDHzL2mE_mAD91IWg"900
TXT"webexdomainverification.=2f927290-1d5f-4df2-b1bb-bbb71bea85a9"900
TXT"webexdomainverification.LSOE=4e1c3c86-abf0-4902-8a84-b34420ef075c"900
TXT"google-site-verification=wXL-gAW01OVDMhb-6YPCh4XxwPBIXfGhGDcQhLSzd-k"900
TXT"webexdomainverification.=d729667e-36b8-4d4a-bbb7-0f3069025573"900
TXT" _4tbszkg4ufy8su1xuke2bq2zfmzx3mm"900
TXT"docusign=2be17354-8326-4a61-8700-8276a284f7f8"900
TXT"amazonses:bGS07pWw+FmfvUu4KgJNzF1GIZqr8BJrrqcw7NtMJlI="900
TXT"webexdomainverification.JIOB=3bc19d00-8f37-45bd-9799-e8ffa9c77306"900
TXT"webexdomainverification.LSOJ=4b3a4ca8-7b0a-4bbc-8816-686e1bb4ddf7"900
TXT"webexdomainverification.=04ce0c34-7d39-41dd-a3ba-627a30cd205c"900
TXT"zoom-domain-verification = 31c4caad-f2b3-4ef8-8d92-26df2e836f3e"900
TXT"amazonses:WiyIwuGeeSNOIz7rqmlfP1MfDGCQFLMv4MgUsvcUTWE="900
TXT"yandex-verification: 4f894a8e737184e9"900
TXT"zoom-domain-verification" "=" "31c4caad-f2b3-4ef8-8d92-26df2e836f3e"900
TXT"adobe-idp-site-verification=897d22d1-bca0-4449-90a4-1ac86c506dcd"900
TXT"MS=ms56590334"900
TXT"webexdomainverification.=603d007e-3304-48a2-b9bc-c8d22b669304"900
TXT"paloaltonetworks-site-verification=8759980204930d68307e4387f6b7db958dec60048cc1053aa8f0a7396916c491"900
TXT"webexdomainverification.HO6U=eeb397a4-2b0c-4475-ae07-56dfc4507757"900
TXT"webexdomainverification.=6d066ca0-8f37-48c6-8a96-1909343f9c23"900
CAA0 issue "pki.goog"10800
CAA0 issue "digicert.com"10800
CAA0 issue "letsencrypt.org"10800

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (1m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 3h; resolvers may use either.
    #32
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: pki.goog, digicert.com, letsencrypt.org.