teradata.com

Checked 22 October 2026, 11:01 UTC · via 8.8.8.8
!Passed with warnings
31 passed 1 warning 0 failed 3 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-06-26

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
27 June 1997
Last changed
22 June 2026
Expires
26 June 2027
Status
server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
a1-6.akam.net, a12-64.akam.net, a16-65.akam.net, a2-64.akam.net, a7-64.akam.net, a9-67.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 2027-06-26 #3
    The registration is valid until 2027-06-26 (246 days).
  • ✓ Transfer locked #4
    Registry status: 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

a1-6.akam.net, a12-64.akam.net, a16-65.akam.net, a2-64.akam.net, a7-64.akam.net, a9-67.akam.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-6.akam.net, a12-64.akam.net, a16-65.akam.net, a2-64.akam.net, a7-64.akam.net, a9-67.akam.net
NS in the zone
a1-6.akam.net, a12-64.akam.net, a16-65.akam.net, a2-64.akam.net, a7-64.akam.net, a9-67.akam.net
NameserverAddressesNetwork (AS)Glue
a1-6.akam.net193.108.91.6 2600:1401:2::6AS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a12-64.akam.net184.26.160.64 2600:1480:f000::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a16-65.akam.net23.211.132.65 2600:1406:1b::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a2-64.akam.net95.100.174.64 2600:1480:7000::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a7-64.akam.net23.61.199.64 2600:1406:32::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a9-67.akam.net184.85.248.67 2a02:26f0:117::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-

Checks

  • ✓ 6 nameservers #6
    Delegated to a1-6.akam.net, a12-64.akam.net, a16-65.akam.net, a2-64.akam.net, a7-64.akam.net, a9-67.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
a1-6.akam.net 193.108.91.6NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a1-6.akam.net 2600:1401:2::6NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a12-64.akam.net 184.26.160.64NOERROR, 4 ms, authoritativenoyes / yesrefused48878.31
a12-64.akam.net 2600:1480:f000::40NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a16-65.akam.net 23.211.132.65NOERROR, 3 ms, authoritativenoyes / yesrefused48878.31
a16-65.akam.net 2600:1406:1b::41NOERROR, 4 ms, authoritativenoyes / yesrefused48878.29
a2-64.akam.net 95.100.174.64NOERROR, 3 ms, authoritativenoyes / yesrefused48878.31
a2-64.akam.net 2600:1480:7000::40NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
a7-64.akam.net 23.61.199.64NOERROR, 3 ms, authoritativenoyes / yesrefused41824.9
a7-64.akam.net 2600:1406:32::40NOERROR, 4 ms, authoritativenoyes / yesrefused41824.7
a9-67.akam.net 184.85.248.67NOERROR, 3 ms, authoritativenoyes / yesrefused41824.6
a9-67.akam.net 2a02:26f0:117::43NOERROR, 3 ms, authoritativenoyes / yesrefused41824.10

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: a1-6.akam.net: "41824.5"; a12-64.akam.net: "48878.31"; a12-64.akam.net: "48878.27"; a16-65.akam.net: "48878.31"; a16-65.akam.net: "48878.29"; a2-64.akam.net: "48878.31"; a2-64.akam.net: "48878.27"; a7-64.akam.net: "41824.9"; a7-64.akam.net: "41824.7"; a9-67.akam.net: "41824.6"; a9-67.akam.net: "41824.10". 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 540830052 · primary a1-6.akam.net

Found

Primary (MNAME)
a1-6.akam.net
Contact (RNAME)
postmaster.teradata.com
Serial
540830052
Refresh / retry
86400 s / 900 s
Expire
604800 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
a1-6.akam.net (193.108.91.6)540830052
a1-6.akam.net (2600:1401:2::6)540830052
a12-64.akam.net (184.26.160.64)540830052
a12-64.akam.net (2600:1480:f000::40)540830052
a16-65.akam.net (23.211.132.65)540830052
a16-65.akam.net (2600:1406:1b::41)540830052
a2-64.akam.net (95.100.174.64)540830052
a2-64.akam.net (2600:1480:7000::40)540830052
a7-64.akam.net (23.61.199.64)540830052
a7-64.akam.net (2600:1406:32::40)540830052
a9-67.akam.net (184.85.248.67)540830052
a9-67.akam.net (2a02:26f0:117::43)540830052

Checks

  • ✓ Serial 540830052 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 15m, expire 7d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver a1-6.akam.net is one of the listed nameservers.
  • ✓ Contact postmaster@teradata.com #25
    The SOA RNAME postmaster.teradata.com means postmaster@teradata.com.
  • ✓ Counter serial #26
    The serial 540830052 is a plain counter.

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
25 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
33696ECDSAP256SHA256 (13)SHA256 83BCE974DE71C07C…yes

DNSKEY in the zone

Key tagRoleAlgorithm
33696KSK (257)ECDSAP256SHA256 (13)
52095ZSK (256)ECDSAP256SHA256 (13)
5884KSK (257)ECDSAP256SHA256 (13)
63094ZSK (256)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 33696 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Short-lived signatures (online signing) #30
    Signatures are valid for 73h0m0s and created on demand; the current one was made at 2026-10-22 04:10 UTC and expires at 2026-10-25 05:10 UTC.
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

42 records at the apex

Found

Read from
193.108.91.6:53
TypeValueTTL
SOAa1-6.akam.net. postmaster.teradata.com. 540830052 86400 900 604800 300300
NSa12-64.akam.net.300
NSa2-64.akam.net.300
NSa9-67.akam.net.300
NSa7-64.akam.net.300
NSa1-6.akam.net.300
NSa16-65.akam.net.300
A141.206.200.120300
MX0 teradata-com.mail.protection.outlook.com.300
TXT"facebook-domain-verification=kzmts5dhn0z1gnpwnz5v3bhwecdscz"300
TXT"MS=ms87085747"300
TXT"ms-domain-verification=e9e363cc-f9c5-475d-a984-a3df933e3c20"300
TXT"pendo-domain-verification=b8dd700f-5242-41ee-b39d-1cb1f00a031b"300
TXT"XJIS6nRtkfNpVs7FktgjXqQTxN8vlPzuigVwezS1Ap1I4I/V72e4moWwLncvgkHonVVNaetwoyAXRnN/HE3U5Q=="300
TXT"atlassian-domain-verification=UV1o5dMrgUgLBMndABjoc4MsBqAk2OjTBxnN4X0idax2UuL8l7HvLwoX9tuiNdrx"300
TXT"drift-domain-verification=22146589078dbb1cddbbf38f8d2d614ee92fab06506ba737a65baaeb1378ed5b"300
TXT"anthropic-domain-verification-8jbq3n=tkiqNnHOeW06tKg4Tc0QX7k7p"300
TXT"atlassian-domain-verification=vsDbe2LEMbTXJznCxJrV9uLMlJ2zfyC+ARQuJPVutqpN7-K9Gz2+EHhlvO2ce7WV"300
TXT"docker-verification=e0eb7ed3-269f-42fe-9344-94371757174f"300
TXT"smartsheet-site-validation=M5TwzQmOsKUxOhCMT-2uB-J6kqZFRr-s"300
TXT"jamf-site-verification=CUqUxDL5x8AFEVNU9yfY0A"300
TXT"v=spf1 include:dq7adb8023.powerspf.com ~all"300
TXT"GUID:3059c2fe-8c4a-4458-bfa9-4f26de365af8"300
TXT"google-site-verification=y7EXJ1EJCuriZMcRrPYqkT324KGOGjGGSsAiQtmuVB8"300
TXT"docusign=709e68c2-aed8-4596-99e0-ba0cbe44b0ab"300
TXT"verification_token=4IcXZJtx9RBHUqfiWZ9mImtON"300
TXT"_61fyo70hta0vkppqhmg3kcnylnrkre3"300
TXT"webexdomainverification.DUVK=04d73953-960e-46d5-9de4-3d4b1a7fde9a"300
TXT"AD74-90FF-2E7E-8737-9F51-5C5B-006D-7AF4"300
TXT"google-site-verification=OjkpFdMVZbr3ADSOzrR0NNzU2GiJGCEj8gwsDxcAm1M"300
TXT"QcnxhgmKMY3WYFIj87EttTuIaUCb33wUCloeB6pjLUGzMuJ9tu4Jj3ZjoIXm0iTdkZmjKDKuvK741XxPcir3Pw=="300
TXT"flexera-domain-verification-adlvhtrkvepizlfq"300
TXT"miro-verification=cb0b54eeeadc517a617a4141b1f1db427cb5ccce"300
TXT"docusign=eeacc179-90fd-40ac-8eea-464f72165407"300
TXT"Dynatrace-site-verification=44197d14-ff5f-495d-8281-daa32fda86ee__1ef9jiclo12uikdq06a8t46uol"300
TXT"OSSRH-82627"300
TXT"apple-domain-verification=5u2jHePu1fMeg2nv"300
TXT"paloaltonetworks-site-verification=8182e9cf0fde1d6dd320e2ffcd0a21293165416dd39f959990653eab56d1d4f9"300
TXT"google-site-verification=fmJDviNhYt67WnpBiAiXExKYhXH2itsdvp652bhJJsQ"300
TXT"58835d48125ec4feaa67eec4b584bb860e33b7de5b5634ae7cb1259cdb9310e9"300
TXT"browserstack-domain-verification=ca924e29-22ed-4527-aaa5-0a5a24e4478b"300
TXT"vmware-cloud-verification-e9066857-1412-4f2e-a16b-e94d689e0581"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, NS 5m. The NS TTL at the parent is 2d and in the zone 5m; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • i
    No CAA records
    Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.
    #35