sonyclassics.com

Checked 22 October 2026, 10:45 UTC · via 8.8.8.8
!Passed with warnings
25 passed 3 warnings 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-05-07

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
6 May 1996
Last changed
5 April 2026
Expires
7 May 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited
Registry nameservers
ns16.ultradns2.com, ns16.ultradns2.org, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.com, pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org
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 2027-05-07 #3
    The registration is valid until 2027-05-07 (196 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

ns16.ultradns2.com, ns16.ultradns2.org, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.com, pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns16.ultradns2.com, ns16.ultradns2.org, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.com, pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org
NS in the zone
ns16.ultradns2.com, ns16.ultradns2.org, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.com, pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org
NameserverAddressesNetwork (AS)Glue
ns16.ultradns2.com204.74.104.16 2610:a1:3110::53AS399153 SECURITYSERVICES - Vercara, LLC, US AS399155 SECURITYSERVICES - Vercara, LLC, US204.74.104.16 2610:a1:3110::53
ns16.ultradns2.org204.74.106.16 2610:a1:3210::53AS399154 SECURITYSERVICES - Vercara, LLC, US AS399154 SECURITYSERVICES - Vercara, LLC, US-
pdns71.ultradns.biz156.154.66.71 2610:a1:1015::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns71.ultradns.co.uk156.154.69.71 2610:a1:1017::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns71.ultradns.com156.154.64.71 2001:502:f3ff::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US156.154.64.71 2001:502:f3ff::6b
pdns71.ultradns.info156.154.68.71 2610:a1:1016::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns71.ultradns.net156.154.65.71 2610:a1:1014::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
pdns71.ultradns.org156.154.67.71 2001:502:4612::6bAS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-

Checks

  • ✓ 8 nameservers #6
    Delegated to ns16.ultradns2.com, ns16.ultradns2.org, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.com, pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org.
  • ✓ 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.
  • ✓ 4 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 12 addresses; AS399153 (SECURITYSERVICES - Vercara, LLC, US): 1 address; AS399154 (SECURITYSERVICES - Vercara, LLC, US): 2 addresses; AS399155 (SECURITYSERVICES - Vercara, LLC, US): 1 address.
  • ✓ Nameserver names under 6 TLDs #12
    Nameserver names use the TLDs .biz, .com, .info, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns16.ultradns2.com 204.74.104.16NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns16.ultradns2.com 2610:a1:3110::53NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns16.ultradns2.org 204.74.106.16NOERROR, 10 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns16.ultradns2.org 2610:a1:3210::53NOERROR, 10 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.biz 156.154.66.71NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.biz 2610:a1:1015::6bNOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.co.uk 156.154.69.71NOERROR, 34 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.co.uk 2610:a1:1017::6bNOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.com 156.154.64.71NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.com 2001:502:f3ff::6bNOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.info 156.154.68.71NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.info 2610:a1:1016::6bNOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.net 156.154.65.71NOERROR, 5 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.net 2610:a1:1014::6bNOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.org 156.154.67.71NOERROR, 31 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
pdns71.ultradns.org 2001:502:4612::6bNOERROR, 32 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns16.ultradns2.com: "UltraDNS Nameserver"; ns16.ultradns2.org: "UltraDNS Nameserver"; pdns71.ultradns.biz: "UltraDNS Nameserver"; pdns71.ultradns.co.uk: "UltraDNS Nameserver"; pdns71.ultradns.com: "UltraDNS Nameserver"; pdns71.ultradns.info: "UltraDNS Nameserver"; pdns71.ultradns.net: "UltraDNS Nameserver"; pdns71.ultradns.org: "UltraDNS Nameserver".
    #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 2012082302 · primary pdns71.ultradns.com

Found

Primary (MNAME)
pdns71.ultradns.com
Contact (RNAME)
eis_ist.spe.sony.com
Serial
2012082302
Refresh / retry
86400 s / 7200 s
Expire
3600000 s
Negative TTL
172800 s

Serial per nameserver

NameserverSerial
ns16.ultradns2.com (204.74.104.16)2012082302
ns16.ultradns2.com (2610:a1:3110::53)2012082302
ns16.ultradns2.org (204.74.106.16)2012082302
ns16.ultradns2.org (2610:a1:3210::53)2012082302
pdns71.ultradns.biz (156.154.66.71)2012082302
pdns71.ultradns.biz (2610:a1:1015::6b)2012082302
pdns71.ultradns.co.uk (156.154.69.71)2012082302
pdns71.ultradns.co.uk (2610:a1:1017::6b)2012082302
pdns71.ultradns.com (156.154.64.71)2012082302
pdns71.ultradns.com (2001:502:f3ff::6b)2012082302
pdns71.ultradns.info (156.154.68.71)2012082302
pdns71.ultradns.info (2610:a1:1016::6b)2012082302
pdns71.ultradns.net (156.154.65.71)2012082302
pdns71.ultradns.net (2610:a1:1014::6b)2012082302
pdns71.ultradns.org (156.154.67.71)2012082302
pdns71.ultradns.org (2001:502:4612::6b)2012082302

Checks

  • ✓ Serial 2012082302 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    negative caching TTL (minimum) 2d is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 1d, retry 2h, expire 1000h, negative TTL 2d.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdns71.ultradns.com is one of the listed nameservers.
  • ✓ Contact eis_ist@spe.sony.com #25
    The SOA RNAME eis_ist.spe.sony.com means eis_ist@spe.sony.com.
  • ✓ Date-based serial #26
    The serial 2012082302 follows the YYYYMMDDnn convention (2012-08-23).

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

19 records at the apex

Found

Read from
204.74.104.16:53
TypeValueTTL
SOApdns71.ultradns.com. eis_ist.spe.sony.com. 2012082302 86400 7200 3600000 172800300
NSns16.ultradns2.com.86400
NSns16.ultradns2.org.86400
NSpdns71.ultradns.co.uk.86400
NSpdns71.ultradns.biz.86400
NSpdns71.ultradns.com.86400
NSpdns71.ultradns.net.86400
NSpdns71.ultradns.org.86400
NSpdns71.ultradns.info.86400
A2.21.239.620
A2.21.239.3420
AAAA2a02:26f0:7100::210:16a20
AAAA2a02:26f0:7100::210:18220
MX0 mr1.sonypictures.com.300
MX5 mr2.sonypictures.com.300
TXT"_k9vsrqfgi5uztc8uwj9a0lr5fbu6ruo"300
TXT"facebook-domain-verification=txdy6fdex972g5hjtel7vvwenwr8ej"300
TXT"v=spf1 a mx ptr ip4:66.161.21.0/24 ip4:66.161.124.0/24 -all"300
TXT"google-site-verification=fCBoEX55kB2MNt3StYhgcXWcWDQXlQ_M67Ys8yCKuao"300

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (20s), AAAA (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.
  • 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