iht.com

Checked 22 October 2026, 09:15 UTC · via 8.8.8.8
!Passed with warnings
24 passed 4 warnings 0 failed 3 info

Registration

info

.com generic · MarkMonitor Inc. · expires 2027-12-01

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
MarkMonitor Inc.
Registered
2 December 1994
Last changed
30 October 2025
Expires
1 December 2027
Status
client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1328.awsdns-38.org, ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.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 2027-12-01 #3
    The registration is valid until 2027-12-01 (404 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited, client update 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

dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1328.awsdns-38.org, ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1328.awsdns-38.org, ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.net
NS in the zone
dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1328.awsdns-38.org, ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.net
NameserverAddressesNetwork (AS)Glue
dns1.p06.nsone.net198.51.44.6 2620:4d:4000:6259:7:6:0:1AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns2.p06.nsone.net198.51.45.6 2a00:edc0:6259:7:6::2AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns3.p06.nsone.net198.51.44.70 2620:4d:4000:6259:7:6:0:3AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
dns4.p06.nsone.net198.51.45.70 2a00:edc0:6259:7:6::4AS62597 NSONE - NSONE Inc, US AS62597 NSONE - NSONE Inc, US-
ns-1328.awsdns-38.org205.251.197.48 2600:9000:5305:3000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-1652.awsdns-14.co.uk205.251.198.116 2600:9000:5306:7400::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-244.awsdns-30.com205.251.192.244 2600:9000:5300:f400::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US205.251.192.244 2600:9000:5300:f400::1
ns-635.awsdns-15.net205.251.194.123 2600:9000:5302:7b00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-

Checks

  • ✓ 8 nameservers #6
    Delegated to dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1328.awsdns-38.org, ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.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: AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses; AS62597 (NSONE - NSONE 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

info

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns1.p06.nsone.net 198.51.44.6NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns1.p06.nsone.net 2620:4d:4000:6259:7:6:0:1NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p06.nsone.net 198.51.45.6NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns2.p06.nsone.net 2a00:edc0:6259:7:6::2NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p06.nsone.net 198.51.44.70NOERROR, 6 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns3.p06.nsone.net 2620:4d:4000:6259:7:6:0:3NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p06.nsone.net 198.51.45.70NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
dns4.p06.nsone.net 2a00:edc0:6259:7:6::4NOERROR, 4 ms, authoritativenoyes / yesrefused19dd46e347df36b70933bf2be8023258586586a9
ns-1328.awsdns-38.org 205.251.197.48NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-1328.awsdns-38.org 2600:9000:5305:3000::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-1652.awsdns-14.co.uk 205.251.198.116NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1652.awsdns-14.co.uk 2600:9000:5306:7400::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-244.awsdns-30.com 205.251.192.244NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-244.awsdns-30.com 2600:9000:5300:f400::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-635.awsdns-15.net 205.251.194.123NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-635.awsdns-15.net 2600:9000:5302:7b00::1NOERROR, 4 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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: dns1.p06.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns2.p06.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns3.p06.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9"; dns4.p06.nsone.net: "19dd46e347df36b70933bf2be8023258586586a9".
    #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 1650470065 · primary dns1.p06.nsone.net

Found

Primary (MNAME)
dns1.p06.nsone.net
Contact (RNAME)
hostmaster.nytimes.com
Serial
1650470065
Refresh / retry
300 s / 150 s
Expire
1209600 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
dns1.p06.nsone.net (198.51.44.6)1650470065
dns1.p06.nsone.net (2620:4d:4000:6259:7:6:0:1)1650470065
dns2.p06.nsone.net (198.51.45.6)1650470065
dns2.p06.nsone.net (2a00:edc0:6259:7:6::2)1650470065
dns3.p06.nsone.net (198.51.44.70)1650470065
dns3.p06.nsone.net (2620:4d:4000:6259:7:6:0:3)1650470065
dns4.p06.nsone.net (198.51.45.70)1650470065
dns4.p06.nsone.net (2a00:edc0:6259:7:6::4)1650470065
ns-1328.awsdns-38.org (205.251.197.48)1
ns-1328.awsdns-38.org (2600:9000:5305:3000::1)1
ns-1652.awsdns-14.co.uk (205.251.198.116)1
ns-1652.awsdns-14.co.uk (2600:9000:5306:7400::1)1
ns-244.awsdns-30.com (205.251.192.244)1
ns-244.awsdns-30.com (2600:9000:5300:f400::1)1
ns-635.awsdns-15.net (205.251.194.123)1
ns-635.awsdns-15.net (2600:9000:5302:7b00::1)1

Checks

  • !
    Serials differ
    The nameservers serve different versions of the zone: 1 on ns-1328.awsdns-38.org (205.251.197.48), ns-1328.awsdns-38.org (2600:9000:5305:3000::1), ns-1652.awsdns-14.co.uk (205.251.198.116), ns-1652.awsdns-14.co.uk (2600:9000:5306:7400::1), ns-244.awsdns-30.com (205.251.192.244), ns-244.awsdns-30.com (2600:9000:5300:f400::1), ns-635.awsdns-15.net (205.251.194.123), ns-635.awsdns-15.net (2600:9000:5302:7b00::1); 1650470065 on dns1.p06.nsone.net (198.51.44.6), dns1.p06.nsone.net (2620:4d:4000:6259:7:6:0:1), dns2.p06.nsone.net (198.51.45.6), dns2.p06.nsone.net (2a00:edc0:6259:7:6::2), dns3.p06.nsone.net (198.51.44.70), dns3.p06.nsone.net (2620:4d:4000:6259:7:6:0:3), dns4.p06.nsone.net (198.51.45.70), dns4.p06.nsone.net (2a00:edc0:6259:7:6::4). This is normal for a few minutes after a change; if it lasts, zone transfers to the secondaries are failing.
    #22
  • !
    Unusual SOA timers
    refresh 5m is outside 20m–1d. Current values: refresh 5m, retry 2m30s, expire 14d, negative TTL 5m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns1.p06.nsone.net is one of the listed nameservers.
  • ✓ Contact hostmaster@nytimes.com #25
    The SOA RNAME hostmaster.nytimes.com means hostmaster@nytimes.com.
  • ✓ Timestamp serial #26
    The serial 1650470065 is a Unix timestamp (2022-04-20 15:54 UTC).

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

20 records at the apex

Found

Read from
198.51.44.6:53
TypeValueTTL
SOAdns1.p06.nsone.net. hostmaster.nytimes.com. 1650470065 300 150 1209600 300300
NSdns4.p06.nsone.net.300
NSdns2.p06.nsone.net.300
NSdns3.p06.nsone.net.300
NSdns1.p06.nsone.net.300
NSns-635.awsdns-15.net.300
NSns-1652.awsdns-14.co.uk.300
NSns-1328.awsdns-38.org.300
NSns-244.awsdns-30.com.300
A151.101.129.164300
A151.101.1.164300
A151.101.65.164300
A151.101.193.164300
MX1 aspmx.l.google.com.60
MX2 alt1.aspmx.l.google.com.60
MX2 alt2.aspmx.l.google.com.60
MX5 aspmx2.googlemail.com.60
MX5 aspmx3.googlemail.com.60
TXT"google-site-verification=lT-bykuLUIUaiJzBNfuNPAnwD_9jSnWNUJ7vlczPFAQ"60
TXT"v=spf1 include:_spf.google.com include:_spf.salesforce.com ~all"60

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: MX (1m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 2d and in the zone 5m; 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