sanofi.fr

Checked 22 October 2026, 05:08 UTC · via 8.8.8.8
!Passed with warnings
25 passed 1 warning 0 failed 5 info

Registration

info

.fr country-code · CSC CORPORATE DOMAINS INC. · expires 2028-10-15

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
CSC CORPORATE DOMAINS INC.
Registered
10 October 2006
Last changed
16 October 2026
Expires
15 October 2028
Status
active
Registry nameservers
ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com, ns4.sanofi-synthelabo.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 2028-10-15 #3
    The registration is valid until 2028-10-15 (724 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.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com, ns4.sanofi-synthelabo.com

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com, ns4.sanofi-synthelabo.com
NS in the zone
ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com, ns4.sanofi-synthelabo.com
NameserverAddressesNetwork (AS)Glue
ns1.sanofi-synthelabo.com205.251.198.127 2600:9000:5306:7f00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns2.sanofi-synthelabo.com205.251.196.144 2600:9000:5304:9000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns3.sanofi-synthelabo.com205.251.193.224 2600:9000:5301:e000::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns4.sanofi-synthelabo.com205.251.194.58 2600:9000:5302:3a00::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com, ns4.sanofi-synthelabo.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 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
  • i
    All nameserver names under .com
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.sanofi-synthelabo.com 205.251.198.127NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns1.sanofi-synthelabo.com 2600:9000:5306:7f00::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns2.sanofi-synthelabo.com 205.251.196.144NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns2.sanofi-synthelabo.com 2600:9000:5304:9000::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns3.sanofi-synthelabo.com 205.251.193.224NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns3.sanofi-synthelabo.com 2600:9000:5301:e000::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns4.sanofi-synthelabo.com 205.251.194.58NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns4.sanofi-synthelabo.com 2600:9000:5302:3a00::1NOERROR, 4 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 2016030867 · primary ns1.sanofi-synthelabo.com

Found

Primary (MNAME)
ns1.sanofi-synthelabo.com
Contact (RNAME)
gtly-domtech.sanofi.com
Serial
2016030867
Refresh / retry
28800 s / 14400 s
Expire
3600000 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
ns1.sanofi-synthelabo.com (205.251.198.127)2016030867
ns1.sanofi-synthelabo.com (2600:9000:5306:7f00::1)2016030867
ns2.sanofi-synthelabo.com (205.251.196.144)2016030867
ns2.sanofi-synthelabo.com (2600:9000:5304:9000::1)2016030867
ns3.sanofi-synthelabo.com (205.251.193.224)2016030867
ns3.sanofi-synthelabo.com (2600:9000:5301:e000::1)2016030867
ns4.sanofi-synthelabo.com (205.251.194.58)2016030867
ns4.sanofi-synthelabo.com (2600:9000:5302:3a00::1)2016030867

Checks

  • ✓ Serial 2016030867 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 4h, expire 1000h, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.sanofi-synthelabo.com is one of the listed nameservers.
  • ✓ Contact gtly-domtech@sanofi.com #25
    The SOA RNAME gtly-domtech.sanofi.com means gtly-domtech@sanofi.com.
  • ✓ Date-based serial #26
    The serial 2016030867 follows the YYYYMMDDnn convention (2016-03-08).

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
205.251.198.127:53
TypeValueTTL
SOAns1.sanofi-synthelabo.com. gtly-domtech.sanofi.com. 2016030867 28800 14400 3600000 900900
NSns1.sanofi-synthelabo.com.900
NSns2.sanofi-synthelabo.com.900
NSns3.sanofi-synthelabo.com.900
NSns4.sanofi-synthelabo.com.900
A54.247.151.159900
MX10 de-smtp-inbound-1.mimecast.com.900
MX10 de-smtp-inbound-2.mimecast.com.900
TXT"3g23c6jmzfm86ld7sknw2714fws23l9t"900
TXT"95oeb7ri2fio7qcod5a5u267hr"900
TXT"9ccvp8iti6594hm5vdlq7dmh4g"900
TXT"AlAqYL3xoJjr+U+QHSypTKw5qCRur5w7xcq0/nPP9mcrzDnVJhpH6JslbJ4RuLPxOcz+1osZg6/vsHG1K1xS7w=="900
TXT"MS=ms96116957"900
TXT"fo28c09sp6rlp9sbpa4cu9r03h"900
TXT"google-site-verification=O2TWyA7BN7ev2FE48__OuF-KDBQ90Uw-OFxNucixpdw"900
TXT"google-site-verification=uUUunWD_bOUAYY5DvS40DRm0Raumkx9_6Lq-5sTzmKk"900
TXT"j37dyk2rh0glgx4rk88sr33dw8h6n87g"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, MX 15m, NS 15m. The NS TTL at the parent is 1h and in the zone 15m; 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