idp.com

Checked 22 October 2026, 09:15 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 3 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2027-05-02

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
2 May 2000
Last changed
28 April 2026
Expires
2 May 2027
Status
client transfer prohibited
Registry nameservers
ns-1175.awsdns-18.org, ns-122.awsdns-15.com, ns-1776.awsdns-30.co.uk, ns-526.awsdns-01.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 2027-05-02 #3
    The registration is valid until 2027-05-02 (192 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns-1175.awsdns-18.org, ns-122.awsdns-15.com, ns-1776.awsdns-30.co.uk, ns-526.awsdns-01.net

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns-1175.awsdns-18.org, ns-122.awsdns-15.com, ns-1776.awsdns-30.co.uk, ns-526.awsdns-01.net
NS in the zone
ns-1175.awsdns-18.org, ns-122.awsdns-15.com, ns-1776.awsdns-30.co.uk, ns-526.awsdns-01.net
NameserverAddressesNetwork (AS)Glue
ns-1175.awsdns-18.org205.251.196.151 2600:9000:5304:9700::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-122.awsdns-15.com205.251.192.122 2600:9000:5300:7a00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US205.251.192.122 2600:9000:5300:7a00::1
ns-1776.awsdns-30.co.uk205.251.198.240 2600:9000:5306:f000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-526.awsdns-01.net205.251.194.14 2600:9000:5302:e00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns-1175.awsdns-18.org, ns-122.awsdns-15.com, ns-1776.awsdns-30.co.uk, ns-526.awsdns-01.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 4 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • ✓ 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

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-1175.awsdns-18.org 205.251.196.151NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-1175.awsdns-18.org 2600:9000:5304:9700::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-122.awsdns-15.com 205.251.192.122NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-122.awsdns-15.com 2600:9000:5300:7a00::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1776.awsdns-30.co.uk 205.251.198.240NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1776.awsdns-30.co.uk 2600:9000:5306:f000::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-526.awsdns-01.net 205.251.194.14NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-526.awsdns-01.net 2600:9000:5302:e00::1NOERROR, 5 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 8 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 2019032701 · primary ns-526.awsdns-01.net

Found

Primary (MNAME)
ns-526.awsdns-01.net
Contact (RNAME)
awsdns-hostmaster.amazon.com
Serial
2019032701
Refresh / retry
7200 s / 900 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns-1175.awsdns-18.org (205.251.196.151)2019032701
ns-1175.awsdns-18.org (2600:9000:5304:9700::1)2019032701
ns-122.awsdns-15.com (205.251.192.122)2019032701
ns-122.awsdns-15.com (2600:9000:5300:7a00::1)2019032701
ns-1776.awsdns-30.co.uk (205.251.198.240)2019032701
ns-1776.awsdns-30.co.uk (2600:9000:5306:f000::1)2019032701
ns-526.awsdns-01.net (205.251.194.14)2019032701
ns-526.awsdns-01.net (2600:9000:5302:e00::1)2019032701

Checks

  • ✓ Serial 2019032701 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-526.awsdns-01.net is one of the listed nameservers.
  • ✓ Contact awsdns-hostmaster@amazon.com #25
    The SOA RNAME awsdns-hostmaster.amazon.com means awsdns-hostmaster@amazon.com.
  • ✓ Date-based serial #26
    The serial 2019032701 follows the YYYYMMDDnn convention (2019-03-27).

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

29 records at the apex

Found

Read from
205.251.196.151:53
TypeValueTTL
SOAns-526.awsdns-01.net. awsdns-hostmaster.amazon.com. 2019032701 7200 900 1209600 86400900
NSns-1175.awsdns-18.org.172800
NSns-122.awsdns-15.com.172800
NSns-1776.awsdns-30.co.uk.172800
NSns-526.awsdns-01.net.172800
A174.129.235.25260
A184.194.20.18260
A184.193.140.7660
MX5 idp-com.mail.protection.outlook.com.300
TXT"15af3f48d2ee5dc2fbc7c5c8ad7fed2159c3aae8fa55f97004"300
TXT"DckNkY2lCgR_emf6OxxQoiY"300
TXT"IgEwuoTi1o+g9IC8DWM8gSwDK71BgTcl9FQubYl7V0HaP00TaHFjbT0B6kvIvo/UxTOMYeMtVb4hM8lJmhXxdQ=="300
TXT"MS=ms17980603"300
TXT"ZOOM_verify_AAt36fJNSiGUy2EarK-8iQ"300
TXT"atlassian-domain-verification=m0z9wmzWJKN1MtEm9OxBzpvpoBk0Gi61ddw3PnepWZKL8qSSs/vi7B2XKGngeFXw"300
TXT"canva-site-verification=Lraw_lAL0QPRO5IAqeAyvw"300
TXT"dell-technologies-domain-verification=idp.com_b4667f71-dff3-420a-9606-65f317f5e957_1774675916"300
TXT"docker-verification=70089ea7-5a2f-4fe2-a93a-bac398bc87ce"300
TXT"docusign=7aecb806-9063-4e4f-bcbb-9d01f69e27db"300
TXT"dropbox-domain-verification=vekwteogj0a2"300
TXT"elevenlabs=fsVMJS_bS7sfz1MHzsdSem_WvPAFu7-rFNJDjB2YNDs"300
TXT"facebook-domain-verification=xn34bk6278a8adq1wbv8ffshdwpc69"300
TXT"google-gws-recovery-domain-verification=54388653"300
TXT"google-site-verification=sD72KPoyD-yI_xZp8XYJ0oS1edgvL4y55VwgbXIBEDY"300
TXT"google-site-verification=zpDeSjVzNdKiAl-p5HrsabGbNO4Zwo2zJwwNvnWyq0g"300
TXT"miro-verification=7e8fcd7445b5480d1b9740a357d5d9f85b78f20f"300
TXT"nitro-verification-code=czQxMzA5ZTg2NjJmY2NmZDE="300
TXT"v=spf1 include:_spf-dc10.sapsf.com include:1860138.spf05.hubspotemail.net include:mktomail.com include:emailsrvr.com include:au._netblocks.mimecast.com " "include:spf_ip.idp.com include:_spf.general.transactional-mail-a.com include:spf.protection.outlook.com ~all"300
TXT"yqyjpvwdm0nnj3ysz045jg3h8rpxht3t"300

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (1m). Low TTLs are useful just before a planned change.
    #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