cergy.fr

Checked 22 October 2026, 02:10 UTC · via 8.8.8.8
!Passed with warnings
27 passed 1 warning 0 failed 3 info

Registration

info

.fr country-code · NAMESHIELD · expires 2027-02-03

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
NAMESHIELD
Registered
21 June 2004
Last changed
1 October 2025
Expires
3 February 2027
Status
client transfer prohibited, client delete prohibited
Registry nameservers
ns1-a.nadns1.fr, ns1-b.nadns1.com, ns1-c.nadns1.com
RDAP server
https://rdap.nic.fr/

Checks

  • i
    .fr is a country-code TLD (ccTLD)
    Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.
    #1
  • ✓ TLD delegated and signed #2
    .fr is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2027-02-03 #3
    The registration is valid until 2027-02-03 (104 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited, client delete prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

pass

ns1-a.nadns1.fr, ns1-b.nadns1.com, ns1-c.nadns1.com

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns1-a.nadns1.fr, ns1-b.nadns1.com, ns1-c.nadns1.com
NS in the zone
ns1-a.nadns1.fr, ns1-b.nadns1.com, ns1-c.nadns1.com
NameserverAddressesNetwork (AS)Glue
ns1-a.nadns1.fr81.92.91.146 185.65.58.146 2a01:c8:200:111::146 2a01:c8:300:111::146AS20756 NAMESHIELD - NAMESHIELD SAS, FR AS20756 NAMESHIELD - NAMESHIELD SAS, FR AS20756 NAMESHIELD - NAMESHIELD SAS, FR AS20756 NAMESHIELD - NAMESHIELD SAS, FR-
ns1-b.nadns1.com45.76.37.152 169.150.255.36 2a02:6ea0:c776:1::36 2001:19f0:5001:3b57::152AS20473 AS-VULTR - The Constant Company, LLC, US AS60068 CDN77 - Datacamp Limited, GB AS60068 CDN77 - Datacamp Limited, GB AS20473 AS-VULTR - The Constant Company, LLC, US-
ns1-c.nadns1.com45.77.155.69 121.127.42.113 2001:19f0:5:3150::69 2a02:6ea0:e216:1::1AS20473 AS-VULTR - The Constant Company, LLC, US AS60068 CDN77 - Datacamp Limited, GB AS20473 AS-VULTR - The Constant Company, LLC, US AS60068 CDN77 - Datacamp Limited, GB-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1-a.nadns1.fr, ns1-b.nadns1.com, ns1-c.nadns1.com.
  • ✓ 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.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS20473 (AS-VULTR - The Constant Company, LLC, US): 4 addresses; AS20756 (NAMESHIELD - NAMESHIELD SAS, FR): 4 addresses; AS60068 (CDN77 - Datacamp Limited, GB): 4 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

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1-a.nadns1.fr 81.92.91.146NOERROR, 13 ms, authoritativenoyes / yesrefusedSecure
ns1-a.nadns1.fr 185.65.58.146NOERROR, 14 ms, authoritativenoyes / yesrefusedSecure
ns1-a.nadns1.fr 2a01:c8:200:111::146NOERROR, 14 ms, authoritativenoyes / yesrefusedSecure
ns1-a.nadns1.fr 2a01:c8:300:111::146NOERROR, 13 ms, authoritativenoyes / yesrefusedSecure
ns1-b.nadns1.com 45.76.37.152NOERROR, 9 ms, authoritativenoyes / yesrefusedSecure
ns1-b.nadns1.com 169.150.255.36NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
ns1-b.nadns1.com 2a02:6ea0:c776:1::36NOERROR, 4 ms, authoritativenoyes / yesrefusedSecure
ns1-b.nadns1.com 2001:19f0:5001:3b57::152NOERROR, 9 ms, authoritativenoyes / yesrefusedSecure
ns1-c.nadns1.com 45.77.155.69NOERROR, 86 ms, authoritativenoyes / yesrefusedSecure
ns1-c.nadns1.com 121.127.42.113NOERROR, 93 ms, authoritativenoyes / yesrefusedSecure
ns1-c.nadns1.com 2001:19f0:5:3150::69NOERROR, 86 ms, authoritativenoyes / yesrefusedSecure
ns1-c.nadns1.com 2a02:6ea0:e216:1::1NOERROR, 99 ms, authoritativenoyes / yesrefusedSecure

Checks

  • ✓ All respond #14
    All 12 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: ns1-a.nadns1.fr: "Secure"; ns1-b.nadns1.com: "Secure"; ns1-c.nadns1.com: "Secure".
    #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 2026102119 · primary ns1-a.nadns1.fr

Found

Primary (MNAME)
ns1-a.nadns1.fr
Contact (RNAME)
technical.nameshield.net
Serial
2026102119
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
7200 s

Serial per nameserver

NameserverSerial
ns1-a.nadns1.fr (81.92.91.146)2026102119
ns1-a.nadns1.fr (185.65.58.146)2026102119
ns1-a.nadns1.fr (2a01:c8:200:111::146)2026102119
ns1-a.nadns1.fr (2a01:c8:300:111::146)2026102119
ns1-b.nadns1.com (45.76.37.152)2026102119
ns1-b.nadns1.com (169.150.255.36)2026102119
ns1-b.nadns1.com (2a02:6ea0:c776:1::36)2026102119
ns1-b.nadns1.com (2001:19f0:5001:3b57::152)2026102119
ns1-c.nadns1.com (45.77.155.69)2026102119
ns1-c.nadns1.com (121.127.42.113)2026102119
ns1-c.nadns1.com (2001:19f0:5:3150::69)2026102119
ns1-c.nadns1.com (2a02:6ea0:e216:1::1)2026102119

Checks

  • ✓ Serial 2026102119 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 ns1-a.nadns1.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 2026102119 follows the YYYYMMDDnn convention (2026-10-21).

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

info

19 records at the apex

Found

Read from
81.92.91.146:53
TypeValueTTL
SOAns1-a.nadns1.fr. technical.nameshield.net. 2026102119 28800 7200 604800 72003600
NSns1-c.nadns1.com.86400
NSns1-a.nadns1.fr.86400
NSns1-b.nadns1.com.86400
A95.128.47.173600
MX0 cergy-fr.mail.protection.outlook.com.300
TXT"brevo-code:b938079d678bb4f164f39b952cc7f20a"3600
TXT"sophos-domain-verification=2f18dea0be3b0bb7fc8e9c45eacf14640dbe907a"3600
TXT"MS=ms88744329"3600
TXT"brevo-code:ad191f3c18fe3216a69f35b8da492b01"3600
TXT"brevo-code:570776728e042ef29a322bb13bce6cc8"3600
TXT"brevo-code:46a17eb8452b40388e4236a2df3f33b4"3600
TXT"brevo-code:550c35493ffeee7ca6b962d45283ca20"3600
TXT"sophos-domain-verification=32445fd4e31b1fbb2bc51f766f49ce6d91b13da9065ed515bc3bc207d84a10f4"3600
TXT"brevo-code:823f16cc995e0a525e3bfa55cc05ffb6"3600
TXT"Sendinblue-code:823f16cc995e0a525e3bfa55cc05ffb6"3600
TXT"v=spf1 include:spf.protection.outlook.com include:spf_icodia.cacp.fr include:spf.brevo.com ip4:213.32.80.195 -all"3600
TXT"brevo-code:51686d88afcf389f4b90e0a536330130"3600
TXT"brevo-code:86548101f1dbf317c2f353f2946462e2"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 5m, NS 1d. The NS TTL at the parent is 1h 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