se.com

Checked 22 October 2026, 10:35 UTC · via 8.8.8.8
✗Problems found
30 passed 0 warnings 1 failed 4 info

Registration

fail

.com generic · Nameshield SAS · expires 2026-10-27

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
Nameshield SAS
Registered
6 June 1997
Last changed
18 August 2026
Expires
27 October 2026
Status
client delete prohibited, client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsz.perf1.fr
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 in 5 days
    The registration expires on 2026-10-27. Renew it now or enable auto-renewal.
    #3
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, 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

nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsz.perf1.fr

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsz.perf1.fr
NS in the zone
nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsz.perf1.fr
NameserverAddressesNetwork (AS)Glue
nsa.perf1.fr81.92.94.100 2a01:c8:100::100AS20756 NAMESHIELD - NAMESHIELD SAS, FR AS20756 NAMESHIELD - NAMESHIELD SAS, FR-
nsb.perf1.com81.92.95.100 2a01:c8:101::100AS20756 NAMESHIELD - NAMESHIELD SAS, FR AS20756 NAMESHIELD - NAMESHIELD SAS, FR2a01:c8:101::100 81.92.95.100
nsc.perf1.com152.89.172.100 2a09:35c0:102::100AS209510 NAMESHIELDGRP - NAMESHIELD SAS, FR AS209510 NAMESHIELDGRP - NAMESHIELD SAS, FR152.89.172.100 2a09:35c0:102::100
nsz.perf1.com208.80.124.13 2600:1801:6::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US208.80.124.13 2600:1801:6::1
nsz.perf1.fr208.80.126.13 2600:1802:7::1AS16552 DIGICERT - Tiggee LLC, US AS16552 DIGICERT - Tiggee LLC, US-

Checks

  • ✓ 5 nameservers #6
    Delegated to nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsz.perf1.fr.
  • ✓ 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 5 IPv4 /24s and 5 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS16552 (DIGICERT - Tiggee LLC, US): 4 addresses; AS20756 (NAMESHIELD - NAMESHIELD SAS, FR): 4 addresses; AS209510 (NAMESHIELDGRP - NAMESHIELD SAS, FR): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .fr.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

10 of 10 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
nsa.perf1.fr 81.92.94.100NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
nsa.perf1.fr 2a01:c8:100::100NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
nsb.perf1.com 81.92.95.100NOERROR, 3 ms, authoritativenoyes / yesrefusedSecure
nsb.perf1.com 2a01:c8:101::100NOERROR, 9 ms, authoritativenoyes / yesrefusedSecure
nsc.perf1.com 152.89.172.100NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
nsc.perf1.com 2a09:35c0:102::100NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
nsz.perf1.com 208.80.124.13NOERROR, 4 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast
nsz.perf1.com 2600:1801:6::1NOERROR, 4 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast
nsz.perf1.fr 208.80.126.13NOERROR, 3 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast
nsz.perf1.fr 2600:1802:7::1NOERROR, 4 ms, authoritativenoyes / yesrefusedDNS Made Easy Anycast

Checks

  • ✓ All respond #14
    All 10 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: nsa.perf1.fr: "Secure"; nsb.perf1.com: "Secure"; nsc.perf1.com: "Secure"; nsz.perf1.com: "DNS Made Easy Anycast"; nsz.perf1.fr: "DNS Made Easy Anycast".
    #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 2026102201 · primary nsa.perf1.fr

Found

Primary (MNAME)
nsa.perf1.fr
Contact (RNAME)
technical.nameshield.net
Serial
2026102201
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
7200 s

Serial per nameserver

NameserverSerial
nsa.perf1.fr (81.92.94.100)2026102201
nsa.perf1.fr (2a01:c8:100::100)2026102201
nsb.perf1.com (81.92.95.100)2026102201
nsb.perf1.com (2a01:c8:101::100)2026102201
nsc.perf1.com (152.89.172.100)2026102201
nsc.perf1.com (2a09:35c0:102::100)2026102201
nsz.perf1.com (208.80.124.13)2026102201
nsz.perf1.com (2600:1801:6::1)2026102201
nsz.perf1.fr (208.80.126.13)2026102201
nsz.perf1.fr (2600:1802:7::1)2026102201

Checks

  • ✓ Serial 2026102201 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 2h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver nsa.perf1.fr is one of the listed nameservers.
  • ✓ Contact technical@nameshield.net #25
    The SOA RNAME technical.nameshield.net means technical@nameshield.net.
  • ✓ Date-based serial #26
    The serial 2026102201 follows the YYYYMMDDnn convention (2026-10-22).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
22575ECDSAP256SHA256 (13)SHA256 ABE86441D75E097D…NO
45826ECDSAP256SHA256 (13)SHA256 1B3D3D34925E994E…yes

DNSKEY in the zone

Key tagRoleAlgorithm
59433ZSK (256)ECDSAP256SHA256 (13)
45826KSK (257)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • i
    Unused DS records
    These DS records match no key in the zone: key tag 22575 (SHA256). That is normal during a key rollover; otherwise remove them.
    #28
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

51 records at the apex

Found

Read from
81.92.94.100:53
TypeValueTTL
SOAnsa.perf1.fr. technical.nameshield.net. 2026102201 28800 7200 604800 7200300
NSnsb.perf1.com.86400
NSnsc.perf1.com.86400
NSnsa.perf1.fr.86400
NSnsz.perf1.com.86400
NSnsz.perf1.fr.86400
A34.227.236.7300
MX10 de-smtp-inbound-1.mimecast.com.300
MX10 de-smtp-inbound-2.mimecast.com.300
TXT"DomainVerification=4GLCNYKPJALRSC5GHSAPHY3C5EB12UTBRMLU2LIFC6JWM5J19WHGHUJS3RB1ZIBQ"300
TXT"globalsign-domain-verification=M5PtGLw32A_LoIDe5wNl0qUjOZPrhQze4o8_RFucOV"300
TXT"adobe-idp-site-verification=622dcab59c38d10640a49a43212a3d5cfab14d6fceebe67c033ff76ce890161e"300
TXT"cursor-domain-verification-wkg51n=XVJr2LcSe4BA9UawVqumRNgLv"300
TXT"anthropic-domain-verification-d82kcg=1tmfZWLzyWh8zcqpOqXQQeHai"300
TXT"pendo-domain-verification=iskRGsB6ZyZLF7RTi--6NxhBd6k"300
TXT"fvoPpcbA=86cc3cdcc4701d2cc6a15f36da60ce15"300
TXT"MS=ms84104626"300
TXT"atlassian-domain-verification=Fg7BQJK1jasMWzi2DznJaZPiP6LXLAlgXpKYQqdI/Tf3YruULC+vsBZLCwyETP6/"300
TXT"shopify-verification-code=7DPELCOE1TgacFyH69sUTxERL9uV38"300
TXT"_vtdq8hpsa5qf1yo7fic84pdkiasnl2h"300
TXT"yandex-verification: 945d9382972544b7"300
TXT"MS=b1c9d4ce-738a-4c07-8fad-e0afa621b287"300
TXT"_6wjoq0nk50mk1fvdjodcqvqz247ou4i"300
TXT"remarkable-domain-verification=9d88f407-9d69-4e21-bb99-60f12cfd700e"300
TXT"mongodb-site-verification=5nLcONPh6IYwl3BGrYHsveCB5LS1CMVn"300
TXT"v=spf1 include:spf.protection.outlook.com include:de._netblocks.mimecast.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all"300
TXT"atlassian-domain-verification=EC7toFnaf5ZxNbCWV1wfOhdaqbNUJfoj7Rw6CP5rcma95EbTfjGSrhAU1ym2Mfcs"300
TXT"arcules-domain-verification=64RFdB1iJcGTCz6EX6qOb5pLWtIMSqAyihof7TOTBBQ"300
TXT"_k5zyzjw6guoxf9nai5qmhg6nnyvr8y9"300
TXT"atlassian-domain-verification=IUsyq0ps6NhQSSAt3gkN688EjXUbqie77kAjH9QMNrD2VgJHZj2n9JrTqIicWJZA"300
TXT"airtable-verification=f310a00de5f600ef7e75f94afe034730"300
TXT"onetrust-domain-verification=84b23b3aed454a1eba46b3dad4f180ea"300
TXT"apple-domain-verification=baQOBxMkDgBFwF8l"300
TXT"profound-domain-verification-76x0dj=Z1BOeUyVEVRPBWZmWJgmAOITZ"300
TXT"atlassian-domain-verification=hq98PdgYFNzjKRVg4oT2WGmerFieN1AAva9IaConyIRjEhR3v3fW2xXBVzbTAFba"300
TXT"work-accounts-domain-verification=JLLfiGUtquBTi85fqn6HWzK3LLexsb"300
TXT"fastly-domain-delegation-WoRR6JPZ-00549561-20251106"300
TXT"atlassian-domain-verification=eghqOJ/7NsTub2FkWGKgo3V13gmomwJnG/YX8Xa2gKG07nsNy8STmqLwic1HbcCY"300
TXT"docusign=8d9d0f84-01bb-43f6-9e4a-3fef317f24a0"300
TXT"yandex-verification: fb8576f962a63fe0"300
TXT"atlassian-domain-verification=zcJGVUorI1i0Q4admefVCPwkOKDgZDaIrapEGazuk0J2eRF4ouU/xE/iUrjLo9CI"300
TXT"mandrill_verify.zI6-HAsONKwasvlvvf_zxA"300
TXT"bugfender-saml-delegation=479vpkgct4"300
TXT"smartsheet-site-validation=jeYrV2llaFegK9hHVD6miP3eP0fzxDK7"300
TXT"atlassian-domain-verification=bhaGZHZEDTosyrA+DwJcaLQUTvKZaImxmhox10eRvoBGIufpk+TjLP6BNmFcP3DM"300
TXT"atlassian-domain-verification=j5Ua8xOTJkueOjENSNK2s2pB6D/AughuXrbwTHmbgH3j1SxVq04/QJvrfdG9blcx"300
TXT"paloaltonetworks-site-verification=74c75720f2f4a8b19f5e6974b05e633ad3a2e697beddf72118b921ab9a42722c"300
TXT"google-site-verification=h9fFgC-4Ewgax9CfgXSybXd3YcOViFck1ne9UxQ2SB4"300
TXT"yandex-verification: adf818781f9b2a7e"300
TXT"lovable_verification=workspace_01kgse1mqkey3rmhbchmcxtwh5"300
TXT"canva-site-verification=PZ12XM4dFemgms6w821Ybw"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, NS 1d. The NS TTL at the parent is 2d and in the zone 1d; 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.
  • 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