mlb.com

Checked 22 October 2026, 09:52 UTC · via 8.8.8.8
!Passed with warnings
29 passed 1 warning 0 failed 1 info

Registration

info

.com generic · GoDaddy Corporate Domains, LLC · expires 2027-10-31

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
GoDaddy Corporate Domains, LLC
Registered
1 November 1994
Last changed
30 September 2026
Expires
31 October 2027
Status
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
ns-1370.awsdns-43.org, ns-1997.awsdns-57.co.uk, ns-204.awsdns-25.com, ns-976.awsdns-58.net, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
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 2027-10-31 #3
    The registration is valid until 2027-10-31 (373 days).
  • ✓ Transfer locked #4
    Registry status: client transfer 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

pass

ns-1370.awsdns-43.org, ns-1997.awsdns-57.co.uk, ns-204.awsdns-25.com, ns-976.awsdns-58.net, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns-1370.awsdns-43.org, ns-1997.awsdns-57.co.uk, ns-204.awsdns-25.com, ns-976.awsdns-58.net, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
NS in the zone
ns-1370.awsdns-43.org, ns-1997.awsdns-57.co.uk, ns-204.awsdns-25.com, ns-976.awsdns-58.net, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
NameserverAddressesNetwork (AS)Glue
ns-1370.awsdns-43.org205.251.197.90 2600:9000:5305:5a00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-1997.awsdns-57.co.uk205.251.199.205 2600:9000:5307:cd00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-204.awsdns-25.com205.251.192.204 2600:9000:5300:cc00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US205.251.192.204 2600:9000:5300:cc00::1
ns-976.awsdns-58.net205.251.195.208 2600:9000:5303:d000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-cloud-b1.googledomains.com216.239.32.107 2001:4860:4802:32::6bAS15169 GOOGLE - Google LLC, US AS15169 GOOGLE - Google LLC, US2001:4860:4802:32::6b 216.239.32.107
ns-cloud-b2.googledomains.com216.239.34.107 2001:4860:4802:34::6bAS15169 GOOGLE - Google LLC, US AS15169 GOOGLE - Google LLC, US2001:4860:4802:34::6b 216.239.34.107
ns-cloud-b3.googledomains.com216.239.36.107 2001:4860:4802:36::6bAS15169 GOOGLE - Google LLC, US AS15169 GOOGLE - Google LLC, US2001:4860:4802:36::6b 216.239.36.107
ns-cloud-b4.googledomains.com216.239.38.107 2001:4860:4802:38::6bAS15169 GOOGLE - Google LLC, US AS15169 GOOGLE - Google LLC, US2001:4860:4802:38::6b 216.239.38.107

Checks

  • ✓ 8 nameservers #6
    Delegated to ns-1370.awsdns-43.org, ns-1997.awsdns-57.co.uk, ns-204.awsdns-25.com, ns-976.awsdns-58.net, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com.
  • ✓ 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 5 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15169 (GOOGLE - Google LLC, US): 8 addresses; AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-1370.awsdns-43.org 205.251.197.90NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-1370.awsdns-43.org 2600:9000:5305:5a00::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-1997.awsdns-57.co.uk 205.251.199.205NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1997.awsdns-57.co.uk 2600:9000:5307:cd00::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-204.awsdns-25.com 205.251.192.204NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-204.awsdns-25.com 2600:9000:5300:cc00::1NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns-976.awsdns-58.net 205.251.195.208NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-976.awsdns-58.net 2600:9000:5303:d000::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-cloud-b1.googledomains.com 216.239.32.107NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns-cloud-b1.googledomains.com 2001:4860:4802:32::6bNOERROR, 14 ms, authoritativenoyes / yesrefused-
ns-cloud-b2.googledomains.com 216.239.34.107NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns-cloud-b2.googledomains.com 2001:4860:4802:34::6bNOERROR, 15 ms, authoritativenoyes / yesrefused-
ns-cloud-b3.googledomains.com 216.239.36.107NOERROR, 41 ms, authoritativenoyes / yesrefused-
ns-cloud-b3.googledomains.com 2001:4860:4802:36::6bNOERROR, 42 ms, authoritativenoyes / yesrefused-
ns-cloud-b4.googledomains.com 216.239.38.107NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns-cloud-b4.googledomains.com 2001:4860:4802:38::6bNOERROR, 12 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 1 · primary ns-1370.awsdns-43.org

Found

Primary (MNAME)
ns-1370.awsdns-43.org
Contact (RNAME)
awsdns-hostmaster.amazon.com
Serial
1
Refresh / retry
7200 s / 900 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns-1370.awsdns-43.org (205.251.197.90)1
ns-1370.awsdns-43.org (2600:9000:5305:5a00::1)1
ns-1997.awsdns-57.co.uk (205.251.199.205)1
ns-1997.awsdns-57.co.uk (2600:9000:5307:cd00::1)1
ns-204.awsdns-25.com (205.251.192.204)1
ns-204.awsdns-25.com (2600:9000:5300:cc00::1)1
ns-976.awsdns-58.net (205.251.195.208)1
ns-976.awsdns-58.net (2600:9000:5303:d000::1)1
ns-cloud-b1.googledomains.com (216.239.32.107)1
ns-cloud-b1.googledomains.com (2001:4860:4802:32::6b)1
ns-cloud-b2.googledomains.com (216.239.34.107)1
ns-cloud-b2.googledomains.com (2001:4860:4802:34::6b)1
ns-cloud-b3.googledomains.com (216.239.36.107)1
ns-cloud-b3.googledomains.com (2001:4860:4802:36::6b)1
ns-cloud-b4.googledomains.com (216.239.38.107)1
ns-cloud-b4.googledomains.com (2001:4860:4802:38::6b)1

Checks

  • ✓ Serial 1 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 15m, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-1370.awsdns-43.org is one of the listed nameservers.
  • ✓ Contact awsdns-hostmaster@amazon.com #25
    The SOA RNAME awsdns-hostmaster.amazon.com means awsdns-hostmaster@amazon.com.
  • ✓ Counter serial #26
    The serial 1 is a plain counter.

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

pass

49 records at the apex

Found

Read from
205.251.197.90:53
TypeValueTTL
SOAns-1370.awsdns-43.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400900
NSns-1370.awsdns-43.org.21600
NSns-1997.awsdns-57.co.uk.21600
NSns-204.awsdns-25.com.21600
NSns-976.awsdns-58.net.21600
NSns-cloud-b1.googledomains.com.21600
NSns-cloud-b2.googledomains.com.21600
NSns-cloud-b3.googledomains.com.21600
NSns-cloud-b4.googledomains.com.21600
A34.102.163.1583600
MX1 mlb-com.mail.protection.outlook.com.600
TXT"6cai8ssdT8bfglT/gt8kwoKyhyAgPcWDuCGhXf6NRtlGOxnCwCVxvE0gV8MARuqkl340xHdWjJtLgFXFk4XOtQ=="3600
TXT"7zvy2rtgl87v1529vvz467263ttxv00w"3600
TXT"MS=ms69694204"3600
TXT"MS=ms85676836"3600
TXT"_rdorsto6f291izaj54fj6l0tgyrlsxh"3600
TXT"adobe-idp-site-verification=48421df2-6edd-4d7a-9a50-5d6b7ac37140"3600
TXT"anthropic-domain-verification-w0tddh=eUI1DrzYqtNfrirT3GQDfShYK"3600
TXT"apple-domain-verification=6IYQq9hakr4CM8uN"3600
TXT"asv=f4d8b04afc0fa2a21f4e5156ec6c2789"3600
TXT"atlassian-domain-verification=g2T53fLDVGlvthuuEp+3tHYaHRCtRg7YE0c6muK0q1eRZToBwzYMwLOUVBbImxpM"3600
TXT"cloudflare_dashboard_sso=99d69311be411f4639d09940caef8875"3600
TXT"cursor-domain-verification-ghqnyw=dHOe7fY7Ygl1Al61QPw1JMNrX"3600
TXT"docusign=dd0cbf68-020f-4af4-9785-638db04566ef"3600
TXT"e2ma-verification=0x5bb"3600
TXT"e2ma-verification=m4j3"3600
TXT"facebook-domain-verification=6l9n1mpxxnvj1l19nmitlu3e5t9qgu"3600
TXT"google-site-verification=XOnG1KFFRFfMJeUU7-uEnjQPrJ5bgfSKLU3n-ddA5o0"3600
TXT"google-site-verification=ecWDspflVGxmZOFfl5U-feFA50MZguqCygpZH-fHvw0"3600
TXT"google-site-verification=ewYCvyU3ZIlPv8GRbEfttW-iXf6Rvo4C1lzUgfi2W4k"3600
TXT"google-site-verification=xLIe2kvVf_RIlRbMuNhQfxu5QhOj38hG38eCHOVRI-Q"3600
TXT"mandrill_verify.Ug0KyLxAlKlJFADUoUKazw"3600
TXT"mgverify=4486080ee27dbe9c532d7c06bd6416c0594bdb2747dc01acfb5e97721389f1c9"3600
TXT"onetrust-domain-verification=b65699a512a948ec984777b9ad7d28f7"3600
TXT"onetrust-domain-verification=dd8aecd72e714036a95ea068cfe6f2e7"3600
TXT"openai-domain-verification=dv-D9zatZspLcySUfsBz3ytGnq9"3600
TXT"paloaltonetworks-site-verification=7be9535bc2affb742cb82ebe821a04088380fb53981671210a413b185923dafc"3600
TXT"postman-domain-verification=9e8cbf6e58c180aceab032d7f85e916683a73fc5f9dceed2fec8ceba7ca719dddf7b8799b8b78e0153cc9769218729171dd7425c1092c8b14967492e31672762"3600
TXT"smartsheet-site-validation=oaC-Jj1jFnvmweM2PoQJUhOQtun7sj3s"3600
TXT"twilio-domain-verification=5450879a5dddd10b96b14397eb242d58"3600
TXT"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mailgun.org ~all"3600
TXT"yahoo-verification-key=/7YvIV9kTBbJETYphs2ydo2GBj6XuhvO4P1H1M6dh+o="3600
CAA128 iodef "mailto:tls_security@mlb.com"3600
CAA128 issue "amazon.com"3600
CAA128 issue "digicert.com"3600
CAA128 issue "letsencrypt.org"3600
CAA128 issue "pki.goog"3600
CAA128 issue "sectigo.com"3600
CAA128 issuewild "digicert.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 10m, NS 6h. The NS TTL at the parent is 2d and in the zone 6h; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: amazon.com, digicert.com, letsencrypt.org, pki.goog, sectigo.com.