proxiserve.fr

Checked 22 October 2026, 04:54 UTC · via 8.8.8.8
✗Problems found
23 passed 2 warnings 1 failed 5 info

Registration

info

.fr country-code · IP TWINS SAS · expires 2027-02-02

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
IP TWINS SAS
Registered
30 August 2000
Last changed
2 February 2022
Expires
2 February 2027
Status
active
Registry nameservers
ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com, ns4.iptwins.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 2027-02-02 #3
    The registration is valid until 2027-02-02 (103 days).
  • i
    No transfer lock
    The domain has no transfer lock (status: active). A registrar lock protects against unauthorized transfers.
    #4
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com, ns4.iptwins.com

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com, ns4.iptwins.com
NS in the zone
ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com, ns4.iptwins.com
NameserverAddressesNetwork (AS)Glue
ns1.iptwins.net188.165.162.43AS16276 OVH - OVH SAS, FR-
ns2.iptwins.net193.70.18.204AS16276 OVH - OVH SAS, FR-
ns3.iptwins.com144.217.70.141 2607:5300:203:28d::AS16276 OVH - OVH SAS, FR AS16276 OVH - OVH SAS, FR-
ns4.iptwins.com161.202.174.147 2401:c900:1101:496::3AS36351 SOFTLAYER - IBM Cloud, US AS36351 SOFTLAYER - IBM Cloud, US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com, ns4.iptwins.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 4 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS16276 (OVH - OVH SAS, FR): 4 addresses; AS36351 (SOFTLAYER - IBM Cloud, US): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns1.iptwins.net, ns2.iptwins.net.
    #13

Nameservers

fail

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.iptwins.net 188.165.162.43NOERROR, 15 ms, authoritativenoyes / yesrefusedSECRET
ns2.iptwins.net 193.70.18.204NOERROR, 16 ms, authoritativenoyes / yesrefusedSECRET
ns3.iptwins.com 144.217.70.141NOERROR, 96 ms, authoritativenono / yesrefusedSECRET
ns3.iptwins.com 2607:5300:203:28d::NOERROR, 97 ms, authoritativenono / yesrefusedSECRET
ns4.iptwins.com 161.202.174.147NOERROR, 176 ms, authoritativenoyes / yesrefusedSECRET
ns4.iptwins.com 2401:c900:1101:496::3NOERROR, 176 ms, authoritativenoyes / yesrefusedSECRET

Checks

  • ✓ All respond #14
    All 6 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.iptwins.net: "SECRET"; ns2.iptwins.net: "SECRET"; ns3.iptwins.com: "SECRET"; ns4.iptwins.com: "SECRET".
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✗
    No DNS over TCP
    DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: ns3.iptwins.com (144.217.70.141): read tcp 46.225.38.91:36308->144.217.70.141:53: i/o timeout; ns3.iptwins.com (2607:5300:203:28d::): read tcp [2a01:4f8:1c1c:eebf::1]:45908->[2607:5300:203:28d::]:53: i/o timeout.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

warn

serial 2026102104 · primary ns1.iptwins.net

Found

Primary (MNAME)
ns1.iptwins.net
Contact (RNAME)
dns-log.iptwins.com
Serial
2026102104
Refresh / retry
86400 s / 7200 s
Expire
2592000 s
Negative TTL
345600 s

Serial per nameserver

NameserverSerial
ns1.iptwins.net (188.165.162.43)2026102104
ns2.iptwins.net (193.70.18.204)2026102104
ns3.iptwins.com (144.217.70.141)2026102104
ns3.iptwins.com (2607:5300:203:28d::)2026102104
ns4.iptwins.com (161.202.174.147)2026102104
ns4.iptwins.com (2401:c900:1101:496::3)2026102104

Checks

  • ✓ Serial 2026102104 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    negative caching TTL (minimum) 4d is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 1d, retry 2h, expire 30d, negative TTL 4d.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.iptwins.net is one of the listed nameservers.
  • ✓ Contact dns-log@iptwins.com #25
    The SOA RNAME dns-log.iptwins.com means dns-log@iptwins.com.
  • ✓ Date-based serial #26
    The serial 2026102104 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

24 records at the apex

Found

Read from
188.165.162.43:53
TypeValueTTL
SOAns1.iptwins.net. dns-log.iptwins.com. 2026102104 86400 7200 2592000 345600600
NSns4.iptwins.com.600
NSns1.iptwins.net.600
NSns2.iptwins.net.600
NSns3.iptwins.com.600
A45.223.103.303600
A45.223.118.303600
MX1 aspmx.l.google.com.600
MX5 alt1.aspmx.l.google.com.600
MX10 aspmx3.googlemail.com.600
MX10 aspmx2.googlemail.com.600
MX5 alt2.aspmx.l.google.com.600
TXT"slack-domain-verification=nohaPkVusYiWrdevklatRdKY9dvxOaw2wILrhlhB"3600
TXT"globalsign-domain-verification=A6D46B60780BB16F91B52830F22418F6"3600
TXT"globalsign-domain-verification=0A0667865249BE279152D15D290CA54C"3600
TXT"H556ycgt5tr6ttr"3600
TXT"v=spf1 include:spf.mailjet.com include:_spf.google.com ip4:35.181.25.130 ip4:195.25.64.22 ip4:54.229.2.165 ip4:52.30.130.201 include:eskerondemand.com include:_spf.salesforce.com -all"3600
TXT"globalsign-domain-verification=262ED90D70A567EE6886FE548CF97094"3600
TXT"anthropic-domain-verification-5a3f10=WIPhPmrNksnCYl2xP6MVS9ZKd"3600
TXT"google-site-verification=2Hy6JMdxXzcrrmOvk7ZM3h_cLcsQQa7wpD4BO5AAPi8"3600
TXT"globalsign-domain-verification=7C6FA61F69BA21CC4A51CD78C7744BA2"3600
TXT"atlassian-domain-verification=XMX4BjP2C69wzqfYJjCC0GIkJYG06cNRyUxEn7xZyTL1hGi/TQGWPgCWnY1Xw6R3"3600
TXT"brevo-code:0c90a607609f341030918d7a8e5d62e4"3600
TXT"google-site-verification=k9sJjgHBHUMHQzOWNkewd23x3E5u1xlOb1kqZcEznCE"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 10m, NS 10m. The NS TTL at the parent is 1h and in the zone 10m; 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