samsclub.com

Checked 22 October 2026, 10:34 UTC · via 8.8.8.8
!Passed with warnings
27 passed 3 warnings 0 failed 1 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-08-10

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
11 August 1995
Last changed
5 August 2026
Expires
10 August 2027
Status
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
a1-185.akam.net, a10-66.akam.net, a22-67.akam.net, a3-64.akam.net, a5-65.akam.net, a8-66.akam.net, pdnswm1.ultradns.net, pdnswm2.ultradns.net, pdnswm3.ultradns.org, pdnswm4.ultradns.org, pdnswm5.ultradns.info, pdnswm6.ultradns.co.uk
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 2027-08-10 #3
    The registration is valid until 2027-08-10 (291 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

a1-185.akam.net, a10-66.akam.net, a22-67.akam.net, a3-64.akam.net, a5-65.akam.net, a8-66.akam.net, pdnswm1.ultradns.net, pdnswm2.ultradns.net, pdnswm3.ultradns.org, pdnswm4.ultradns.org, pdnswm5.ultradns.info, pdnswm6.ultradns.co.uk

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a1-185.akam.net, a10-66.akam.net, a22-67.akam.net, a3-64.akam.net, a5-65.akam.net, a8-66.akam.net, pdnswm1.ultradns.net, pdnswm2.ultradns.net, pdnswm3.ultradns.org, pdnswm4.ultradns.org, pdnswm5.ultradns.info, pdnswm6.ultradns.co.uk
NS in the zone
a1-185.akam.net, a10-66.akam.net, a22-67.akam.net, a3-64.akam.net, a5-65.akam.net, a8-66.akam.net, pdnswm1.ultradns.net, pdnswm2.ultradns.net, pdnswm3.ultradns.org, pdnswm4.ultradns.org, pdnswm5.ultradns.info, pdnswm6.ultradns.co.uk
NameserverAddressesNetwork (AS)Glue
a1-185.akam.net193.108.91.185 2600:1401:2::b9AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a10-66.akam.net96.7.50.66 2600:1480:d000::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-
a3-64.akam.net96.7.49.64 2600:1408:1c::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a5-65.akam.net95.100.168.65 2600:1480:b000::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a8-66.akam.net2.16.40.66 2600:1403:a::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
pdnswm1.ultradns.net156.154.64.4 2001:502:f3ff::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdnswm2.ultradns.net156.154.65.4 2610:a1:1014::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdnswm3.ultradns.org156.154.66.4 2610:a1:1015::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdnswm4.ultradns.org156.154.67.4 2001:502:4612::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdnswm5.ultradns.info156.154.68.4 2610:a1:1016::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdnswm6.ultradns.co.uk156.154.69.4 2610:a1:1017::4AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 12 nameservers #6
    Delegated to a1-185.akam.net, a10-66.akam.net, a22-67.akam.net, a3-64.akam.net, a5-65.akam.net, a8-66.akam.net, pdnswm1.ultradns.net, pdnswm2.ultradns.net, pdnswm3.ultradns.org, pdnswm4.ultradns.org, pdnswm5.ultradns.info, pdnswm6.ultradns.co.uk.
  • ✓ 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 12 IPv4 /24s and 12 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 12 addresses; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 12 addresses.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .info, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

24 of 24 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a1-185.akam.net 193.108.91.185NOERROR, 3 ms, authoritativenoyes / yesrefused41824.4
a1-185.akam.net 2600:1401:2::b9NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a10-66.akam.net 96.7.50.66NOERROR, 4 ms, authoritativenoyes / yesrefused48878.33
a10-66.akam.net 2600:1480:d000::42NOERROR, 5 ms, authoritativenoyes / yesrefused48878.33
a22-67.akam.net 23.211.61.67NOERROR, 4 ms, authoritativenoyes / yesrefused48878.30
a22-67.akam.net 2600:1480:7800::43NOERROR, 4 ms, authoritativenoyes / yesrefused48878.30
a3-64.akam.net 96.7.49.64NOERROR, 3 ms, authoritativenoyes / yesrefused41824.5
a3-64.akam.net 2600:1408:1c::40NOERROR, 4 ms, authoritativenoyes / yesrefused41824.5
a5-65.akam.net 95.100.168.65NOERROR, 5 ms, authoritativenoyes / yesrefused41824.7
a5-65.akam.net 2600:1480:b000::41NOERROR, 4 ms, authoritativenoyes / yesrefused41824.8
a8-66.akam.net 2.16.40.66NOERROR, 5 ms, authoritativenoyes / yesrefused48878.26
a8-66.akam.net 2600:1403:a::42NOERROR, 4 ms, authoritativenoyes / yesrefused48878.27
pdnswm1.ultradns.net 156.154.64.4NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm1.ultradns.net 2001:502:f3ff::4NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm2.ultradns.net 156.154.65.4NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm2.ultradns.net 2610:a1:1014::4NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm3.ultradns.org 156.154.66.4NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm3.ultradns.org 2610:a1:1015::4NOERROR, 5 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm4.ultradns.org 156.154.67.4NOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm4.ultradns.org 2001:502:4612::4NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm5.ultradns.info 156.154.68.4NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm5.ultradns.info 2610:a1:1016::4NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm6.ultradns.co.uk 156.154.69.4NOERROR, 43 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdnswm6.ultradns.co.uk 2610:a1:1017::4NOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 24 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: a1-185.akam.net: "41824.4"; a1-185.akam.net: "41824.5"; a10-66.akam.net: "48878.33"; a22-67.akam.net: "48878.30"; a3-64.akam.net: "41824.5"; a5-65.akam.net: "41824.7"; a5-65.akam.net: "41824.8"; a8-66.akam.net: "48878.26"; a8-66.akam.net: "48878.27". 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 2023101381 · primary pdnswm1.ultradns.net

Found

Primary (MNAME)
pdnswm1.ultradns.net
Contact (RNAME)
dns.wal-mart.com
Serial
2023101381
Refresh / retry
14400 s / 3600 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
a1-185.akam.net (193.108.91.185)2023101381
a1-185.akam.net (2600:1401:2::b9)2023101381
a10-66.akam.net (96.7.50.66)2023101381
a10-66.akam.net (2600:1480:d000::42)2023101381
a22-67.akam.net (23.211.61.67)2023101381
a22-67.akam.net (2600:1480:7800::43)2023101381
a3-64.akam.net (96.7.49.64)2023101381
a3-64.akam.net (2600:1408:1c::40)2023101381
a5-65.akam.net (95.100.168.65)2023101381
a5-65.akam.net (2600:1480:b000::41)2023101381
a8-66.akam.net (2.16.40.66)2023101381
a8-66.akam.net (2600:1403:a::42)2023101381
pdnswm1.ultradns.net (156.154.64.4)2023101381
pdnswm1.ultradns.net (2001:502:f3ff::4)2023101381
pdnswm2.ultradns.net (156.154.65.4)2023101381
pdnswm2.ultradns.net (2610:a1:1014::4)2023101381
pdnswm3.ultradns.org (156.154.66.4)2023101381
pdnswm3.ultradns.org (2610:a1:1015::4)2023101381
pdnswm4.ultradns.org (156.154.67.4)2023101381
pdnswm4.ultradns.org (2001:502:4612::4)2023101381
pdnswm5.ultradns.info (156.154.68.4)2023101381
pdnswm5.ultradns.info (2610:a1:1016::4)2023101381
pdnswm6.ultradns.co.uk (156.154.69.4)2023101381
pdnswm6.ultradns.co.uk (2610:a1:1017::4)2023101381

Checks

  • ✓ Serial 2023101381 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdnswm1.ultradns.net is one of the listed nameservers.
  • ✓ Contact dns@wal-mart.com #25
    The SOA RNAME dns.wal-mart.com means dns@wal-mart.com.
  • ✓ Date-based serial #26
    The serial 2023101381 follows the YYYYMMDDnn convention (2023-10-13).

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

32 records at the apex

Found

Read from
193.108.91.185:53
TypeValueTTL
SOApdnswm1.ultradns.net. dns.wal-mart.com. 2023101381 14400 3600 604800 864003600
NSpdnswm5.ultradns.info.86400
NSpdnswm4.ultradns.org.86400
NSpdnswm6.ultradns.co.uk.86400
NSa1-185.akam.net.86400
NSpdnswm1.ultradns.net.86400
NSa3-64.akam.net.86400
NSa10-66.akam.net.86400
NSa8-66.akam.net.86400
NSpdnswm2.ultradns.net.86400
NSpdnswm3.ultradns.org.86400
NSa22-67.akam.net.86400
NSa5-65.akam.net.86400
A23.222.81.10520
MX100 mxa-000c7201.gslb.pphosted.com.86400
MX100 mxb-000c7201.gslb.pphosted.com.86400
TXT"_globalsign-domain-verification=EBQD9plSSaRkySJkDkeDgJGjj13YyrznsQAbdnra_a"3600
TXT"openai-domain-verification=dv-FuiYzSa0wcJhzH2f19o2dJKq"3600
TXT"_globalsign-domain-verification=_jgMUvS-8y9o2E-8u-OCzvOMJe8FxjH3eJfMSSGyHR"3600
TXT"globalsign-domain-verification=86528F53AEA21B8278A60FD45BBC01D2"3600
TXT"_globalsign-domain-verification=6Q3bdNrNr0YinYoFT_UNgHSO66X_r7nLwdYLSSu3D0"3600
TXT"canva-site-verification=WpSks8nWWBBJC5bCFSpV_g"3600
TXT"google-site-verification=-Jcg_udE4U2eU3AiXF99ParwgYdq7ZViFl5qTVsPMfc"3600
TXT"_globalsign-domain-verification=SnUGSjLzvgLE3nAVoLYBiqh42g_BYH2gWpXAvzGe-W"3600
TXT"_globalsign-domain-verification=lBe5XFCDqAYUEbOhh4qYDvDnKAZTs8maUmrNhDB7kV"3600
TXT"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_netblocks.walmart.com include:_vspf1.samsclub.com include:_vspf2.samsclub.com ip4:161.170.245.0/24 ip4:161.170.244.0/24 ip4:161.170.248.0/24 ip4:161.170.249.0/24 ~all"3600
TXT"anthropic-domain-verification-cm2af1=lzo1idagsCdNP3W7yB9gR9p7I"3600
TXT"slack-domain-verification=Ktv0dW0gcF4kiWLGzFtkArroA2nBJCGGk9JIB7IJ"3600
TXT"globalsign-domain-verification=8047F3E20C3C932140108D9E8040A252"3600
TXT"_globalsign-domain-verification=lDICHX-3VaFxV-2XAaCHcCzZDqJVg0FR4973xSqx9K"3600
TXT"google-site-verification=UQHKzo3AWonDG0dECc5Ojsq8vpiDbp7JEKkbGlbD834"3600
CAA0 issue "globalsign.com"14400

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 1d; 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: globalsign.com.