yum.com

Checked 22 October 2026, 11:41 UTC · via 8.8.8.8
!Passed with warnings
24 passed 4 warnings 0 failed 3 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-05-21

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
22 May 1998
Last changed
17 May 2026
Expires
21 May 2027
Status
client transfer prohibited
Registry nameservers
a1-220.akam.net, a13-65.akam.net, a14-66.akam.net, a22-67.akam.net, a4-64.akam.net, a7-65.akam.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 2027-05-21 #3
    The registration is valid until 2027-05-21 (210 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

a1-220.akam.net, a13-65.akam.net, a14-66.akam.net, a22-67.akam.net, a4-64.akam.net, a7-65.akam.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-220.akam.net, a13-65.akam.net, a14-66.akam.net, a22-67.akam.net, a4-64.akam.net, a7-65.akam.net
NS in the zone
a1-220.akam.net, a13-65.akam.net, a14-66.akam.net, a22-67.akam.net, a4-64.akam.net, a7-65.akam.net
NameserverAddressesNetwork (AS)Glue
a1-220.akam.net193.108.91.220 2600:1401:2::dcAS20940 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-
a14-66.akam.net184.26.161.66 2600:1480:1800::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a22-67.akam.net23.211.61.67 2600:1480:7800::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a4-64.akam.net72.246.46.64 2600:1480:9000::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a7-65.akam.net23.61.199.65 2600:1406:32::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-

Checks

  • ✓ 6 nameservers #6
    Delegated to a1-220.akam.net, a13-65.akam.net, a14-66.akam.net, a22-67.akam.net, a4-64.akam.net, a7-65.akam.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 6 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 2 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): 11 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

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-220.akam.net 193.108.91.220NOERROR, 4 ms, authoritativenoyes / yesrefused41824.9
a1-220.akam.net 2600:1401:2::dcNOERROR, 4 ms, authoritativenoyes / yesrefused41824.6
a13-65.akam.net 2.22.230.65NOERROR, 5 ms, authoritativenoyes / yesrefused41824.6
a13-65.akam.net 2600:1480:800::41NOERROR, 5 ms, authoritativenoyes / yesrefused41824.9
a14-66.akam.net 184.26.161.66NOERROR, 5 ms, authoritativenoyes / yesrefused48878.26
a14-66.akam.net 2600:1480:1800::42NOERROR, 5 ms, authoritativenoyes / yesrefused48878.26
a22-67.akam.net 23.211.61.67NOERROR, 3 ms, authoritativenoyes / yesrefused48878.26
a22-67.akam.net 2600:1480:7800::43NOERROR, 4 ms, authoritativenoyes / yesrefused48878.31
a4-64.akam.net 72.246.46.64NOERROR, 4 ms, authoritativenoyes / yesrefused48878.26
a4-64.akam.net 2600:1480:9000::40NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a7-65.akam.net 23.61.199.65NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a7-65.akam.net 2600:1406:32::41NOERROR, 4 ms, authoritativenoyes / yesrefused41824.11

Checks

  • ✓ All respond #14
    All 12 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: a1-220.akam.net: "41824.9"; a1-220.akam.net: "41824.6"; a13-65.akam.net: "41824.6"; a13-65.akam.net: "41824.9"; a14-66.akam.net: "48878.26"; a22-67.akam.net: "48878.26"; a22-67.akam.net: "48878.31"; a4-64.akam.net: "48878.26"; a4-64.akam.net: "48878.27"; a7-65.akam.net: "41824.5"; a7-65.akam.net: "41824.11". 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

warn

serial 2004092130 · primary louappmsvm105.yum.com

Found

Primary (MNAME)
louappmsvm105.yum.com
Contact (RNAME)
hostmaster.yum.com
Serial
2004092130
Refresh / retry
420 s / 600 s
Expire
1209600 s
Negative TTL
1200 s

Serial per nameserver

NameserverSerial
a1-220.akam.net (193.108.91.220)2004092130
a1-220.akam.net (2600:1401:2::dc)2004092130
a13-65.akam.net (2.22.230.65)2004092130
a13-65.akam.net (2600:1480:800::41)2004092130
a14-66.akam.net (184.26.161.66)2004092130
a14-66.akam.net (2600:1480:1800::42)2004092130
a22-67.akam.net (23.211.61.67)2004092130
a22-67.akam.net (2600:1480:7800::43)2004092130
a4-64.akam.net (72.246.46.64)2004092130
a4-64.akam.net (2600:1480:9000::40)2004092130
a7-65.akam.net (23.61.199.65)2004092130
a7-65.akam.net (2600:1406:32::41)2004092130

Checks

  • ✓ Serial 2004092130 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    refresh 7m is outside 20m–1d; retry 10m should be shorter than refresh 7m. Current values: refresh 7m, retry 10m, expire 14d, negative TTL 20m.
    #23
  • i
    Hidden master
    The primary nameserver louappmsvm105.yum.com is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.
    #24
  • ✓ Contact hostmaster@yum.com #25
    The SOA RNAME hostmaster.yum.com means hostmaster@yum.com.
  • ✓ Date-based serial #26
    The serial 2004092130 follows the YYYYMMDDnn convention (2004-09-21).

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

61 records at the apex

Found

Read from
193.108.91.220:53
TypeValueTTL
SOAlouappmsvm105.yum.com. hostmaster.yum.com. 2004092130 420 600 1209600 1200600
NSa22-67.akam.net.1200
NSa1-220.akam.net.1200
NSa7-65.akam.net.1200
NSa14-66.akam.net.1200
NSa13-65.akam.net.1200
NSa4-64.akam.net.1200
A2.16.204.14920
A2.16.204.14520
MX10 yum-com.mail.protection.outlook.com.1200
TXT"zoho-verification=zb15610267.zmverify.zoho.com"900
TXT"teamviewer-sso-verification=4c43abbe7b8148b3896bb99c69d5791b"900
TXT"mongodb-site-verification=inuhWrSS8wUzn2PXugVC6UGxAeM0deXq"900
TXT"JLayStuDLPJo8c87NVoH-4aK5xTp"900
TXT"0l+Gw+2bRDkSpzcTcPoIRr02HwQ+nvX/URsvGAbiVM46uJjFwis/qWSXL3AJ0fyftuKoGAeItSgNTwk5IwG8lg=="900
TXT"apple-domain-verification=Vuq3w2HwSyFEuAs2"900
TXT"atlassian-domain-verification=TNZtiSemLMBhb405s6VIsUa1pee4KF6A5WWtPwNRBtEH6n1UCJRCj85dl7qf4vZ1"900
TXT"shopify-verification-code=0FfpvmKxCFoJde7wIZETuxzdYEeyi0"900
TXT"jQ2wMLSn0U8T/bqH2veUswLnwiTJaaHkh+xF/AGvuFYPjKWw2navq8PvKtmRAFA08j5xok5y1QLQV7hx6j1jjQ=="900
TXT"astro-domain-verification=cmqt746dk28dk01ny5isjx1e4"900
TXT"onetrust-domain-verification=3bd638df9f304b718d5d51a414d9ea0c"900
TXT"docusign=7d4360c7-ed1c-4bac-90be-2b982c495ffb"900
TXT"docusign=a3128c27-9c86-4ecf-a11d-dfd897b7e80b"900
TXT"anthropic-domain-verification-3wgwhc=rRvdXr2oDmWM8bKM1PM9VuKou"900
TXT"asv=6c44f5b44ee882f77354aa03678372b6"900
TXT"GUID:38f39f79-1628-42d3-b8a8-a3c0c9271b5c"900
TXT"atlassian-domain-verification=+vnVT5JXligilol726KTXSlyOu1QLaRCK83Bd6dCDacwdXLT5pBGay5wc90SxuUA"900
TXT"apple-domain-verification=32GniMQ9NwRa05hK"900
TXT"zoho-verification=zc03180154.zcverify.zoho.com"900
TXT"google-site-verification=0xxyq5ccLqjEDlVUQ5Yzd_kRZVmy8IWTLINaNppqBSs"900
TXT"v=spf1 include:us.eversrv.com include:spf.protection.outlook.com include:e.jobadder.com include:email-od.com " "ip4:74.201.71.39 ip4:52.201.206.114 ip4:168.245.55.252 ip4:104.45.168.219 ip4:104.45.173.170 ip4:98.129.181.58 ip4:98.129.181.61 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ~all"900
TXT"atlassian-domain-verification=LY88L7QAKma1TcN4PVfFxCCBWruIS6dT/Ul7AZ+bs6TIDE7l3TMfQEl8m1uOqd70"900
TXT"docusign=b50fc53d-1236-4c91-897e-ecd4d982a46a"900
TXT"apple-domain-verification=y2R8lcZoAowEmkmz"900
TXT"cloudflare_dashboard_sso=e80bd7ae1d6ad717e58065b8a416cd41"900
TXT"cursor-domain-verification-h7pjar=pnn0lyo7EWZYBSSbveXic0U37"900
TXT"flexera-domain-verification-zwvmxolljkrzbhzj"900
TXT"Dynatrace-site-verification=eb77ffdc-b3ee-4bb6-83f7-110739f22fd6__4rr098ghf0k85kgvgl09iq0cbs"900
TXT"asv=e103471cd9abdea4d715dacf0d37b3fb"900
TXT""900
TXT"onetrust-domain-verification=c2165d9dbdf246f6b172d264c5028c1e"900
TXT"6A7E15E1DC49D5BD9FD1892DE7FD8DEE286E3F530B291CC54014A3EE3BC8AD06"900
TXT"teamviewer-sso-verification=c9eec8ba95c5412cb4a84d1585bc1a3e"900
TXT"docker-verification=658925b6-9426-4e7b-b54c-f1e8c732898a"900
TXT"ciscocidomainverification=2c0c2e80fc0a10a066723ebc54eab312b11bdba804f3efaa888d19288fb2777b"900
TXT"_clickhouse-challenge"900
TXT"google-site-verification=fjE0-1Lbv81xpb8S0M3UtQwOStmacNA3MrXTn-y45l8"900
TXT"atlassian-domain-verification=LLM1ZY65jsSfMfhwsnaOJnitOUa/LqKj2J6bWdNAhZ/E4GW99n1JAKFrACGRG5zk"900
TXT"openai-domain-verification=dv-33AIVGUk62LQqXnqyqSmNn7T"900
TXT"airtable-verification=547412c6b5628754be4177541e2b7a51"900
TXT"MS=ms10167019"900
TXT"miro-verification=eab73c153ee7dae76e764f2b65025b30c371b2ab"900
TXT"cisco-ci-domain-verification=79d76151e3ccc8e812a8883550acc32b61353da7e3c196ba9a7882fe8dcf30d4"900
TXT"mongodb-site-verification=VEPmhj7M0xILihexJLXfAV23Mkm9wEPD"900
TXT"jamf-site-verification=1NcZmJXHKK8Y5Kamc6-OuQ"900
TXT"MS=ms87380503 "900
CAA0 issue "amazon.com"1200
CAA0 iodef "mailto:CertificateManagement@yum.com"1200
CAA0 issue "www.digicert.com"1200
CAA0 issue "sectigo.com"1200
CAA0 issue "letsencrypt.org"1200

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (20s). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 20m; 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: amazon.com, www.digicert.com, sectigo.com, letsencrypt.org.