esker.fr

Checked 22 October 2026, 02:48 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 3 info

Registration

info

.fr country-code · GANDI · expires 2027-10-30

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GANDI
Registered
31 December 1994
Last changed
12 September 2026
Expires
30 October 2027
Status
client transfer prohibited
Registry nameservers
ns.esker.fr, ns1.esker.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 2027-10-30 #3
    The registration is valid until 2027-10-30 (373 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

warn

ns.esker.fr, ns1.esker.com

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns.esker.fr, ns1.esker.com
NS in the zone
ns.esker.fr, ns1.esker.com
NameserverAddressesNetwork (AS)Glue
ns.esker.fr213.41.96.227AS8220 COLT - COLT Technology Services Group Limited, GB213.41.96.227
ns1.esker.com204.246.8.99AS4181 TDS-AS - TDS TELECOM, US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns.esker.fr, ns1.esker.com.
    #6
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns.esker.fr.
  • ✓ 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 2 IPv4 /24s and 0 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS4181 (TDS-AS - TDS TELECOM, US): 1 address; AS8220 (COLT - COLT Technology Services Group Limited, GB): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .fr.
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

pass

2 of 2 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.esker.fr 213.41.96.227NOERROR, 17 ms, authoritativenoyes / yesrefused-
ns1.esker.com 204.246.8.99NOERROR, 110 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 2 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 2026092901 · primary ns.esker.fr

Found

Primary (MNAME)
ns.esker.fr
Contact (RNAME)
dnsadm.esker.fr
Serial
2026092901
Refresh / retry
1800 s / 900 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.esker.fr (213.41.96.227)2026092901
ns1.esker.com (204.246.8.99)2026092901

Checks

  • ✓ Serial 2026092901 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 30m, retry 15m, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.esker.fr is one of the listed nameservers.
  • ✓ Contact dnsadm@esker.fr #25
    The SOA RNAME dnsadm.esker.fr means dnsadm@esker.fr.
  • ✓ Date-based serial #26
    The serial 2026092901 follows the YYYYMMDDnn convention (2026-09-29).

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

17 records at the apex

Found

Read from
213.41.96.227:53
TypeValueTTL
SOAns.esker.fr. dnsadm.esker.fr. 2026092901 1800 900 604800 36003600
NSns.esker.fr.3600
NSns1.esker.com.3600
A20.127.91.13086400
MX5 esker-com.mail.protection.outlook.com.3600
TXT"kvcyr5y6bbnxfzlt87zkzxsj44t54jj1"3600
TXT"atlassian-domain-verification=fx3y003XBrrm69z5ViKNrIlvwcFgAZCsuwoqw7D8CvPs1H1SvlV9nG6uuqrtgwy9"3600
TXT"openai-domain-verification=dv-nAMG4ITFAVuWwQHH496uMGFi"3600
TXT"docusign=8e28235c-b2ac-4af4-a302-5717e537bd1b"3600
TXT"MS=ms52485239"3600
TXT"logmein-verification-code=d6f2d851-5ac5-48c7-ae60-1ea0a34335d4"3600
TXT"MS=ms66874156"3600
TXT"v=spf1 include:spf1.esker.fr include:spf2.esker.fr include:spf3.esker.fr ~all"88200
TXT"figma-domain-verification=232b350737048f4893c7b00dea1cbd7b4703594c55744bce90752a769108b5a8-1790695932"3600
TXT"MS=266FD19C9A9184F5B31AE2102588BDAC2A129B94"3600
TXT"00D3000000007in=1TBcy00000000t6"3600
TXT"00D200000000Qqz=1TBTn000000012a"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 1h, NS 1h.
  • ✓ 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