marcjacobs.com

Checked 22 October 2026, 09:43 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 3 info

Registration

info

.com generic · CSC Corporate Domains, Inc. · expires 2028-04-22

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
CSC Corporate Domains, Inc.
Registered
23 April 1998
Last changed
18 April 2026
Expires
22 April 2028
Status
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Registry nameservers
a.ns.domainoo.fr, a1-1.akam.net, a18-66.akam.net, a20-67.akam.net, a26-64.akam.net, a7-65.akam.net, a9-66.akam.net, b.ns.domainoo.fr, c.ns.domainoo.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 on 2028-04-22 #3
    The registration is valid until 2028-04-22 (547 days).
  • ✓ Transfer locked #4
    Registry status: 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

info

a.ns.domainoo.fr, a1-1.akam.net, a18-66.akam.net, a20-67.akam.net, a26-64.akam.net, a7-65.akam.net, a9-66.akam.net, b.ns.domainoo.fr, c.ns.domainoo.fr

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
a.ns.domainoo.fr, a1-1.akam.net, a18-66.akam.net, a20-67.akam.net, a26-64.akam.net, a7-65.akam.net, a9-66.akam.net, b.ns.domainoo.fr, c.ns.domainoo.fr
NS in the zone
a.ns.domainoo.fr, a1-1.akam.net, a18-66.akam.net, a20-67.akam.net, a26-64.akam.net, a7-65.akam.net, a9-66.akam.net, b.ns.domainoo.fr, c.ns.domainoo.fr
NameserverAddressesNetwork (AS)Glue
a.ns.domainoo.fr83.167.45.12 2001:1b48:3:5:83:167:45:12AS8218 NEO-ASN - Zayo Infrastructure France SA, FR AS8218 NEO-ASN - Zayo Infrastructure France SA, FR-
a1-1.akam.net193.108.91.1 2600:1401:2::1AS20940 AKAMAI-ASN1 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a18-66.akam.net95.101.36.66 2600:1480:4800::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a20-67.akam.net95.100.175.67 2a02:26f0:67::43AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a26-64.akam.net23.74.25.64 2600:1480:b800::40AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a7-65.akam.net23.61.199.65 2600:1406:32::41AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
a9-66.akam.net184.85.248.66 2a02:26f0:117::42AS21342 AKAMAI-ASN2 - Akamai International B.V., NL AS21342 AKAMAI-ASN2 - Akamai International B.V., NL-
b.ns.domainoo.fr185.16.44.67AS61168 PLANET-SERVICE - Planet Service SARL, FR-
c.ns.domainoo.fr51.195.181.92 2001:41d0:800:219b::AS16276 OVH - OVH SAS, FR AS16276 OVH - OVH SAS, FR-

Checks

  • ✓ 9 nameservers #6
    Delegated to a.ns.domainoo.fr, a1-1.akam.net, a18-66.akam.net, a20-67.akam.net, a26-64.akam.net, a7-65.akam.net, a9-66.akam.net, b.ns.domainoo.fr, c.ns.domainoo.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 9 IPv4 /24s and 8 IPv6 /48s.
  • ✓ 5 autonomous systems #11
    The nameservers are spread over: AS16276 (OVH - OVH SAS, FR): 2 addresses; AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL): 1 address; AS21342 (AKAMAI-ASN2 - Akamai International B.V., NL): 11 addresses; AS61168 (PLANET-SERVICE - Planet Service SARL, FR): 1 address; AS8218 (NEO-ASN - Zayo Infrastructure France SA, FR): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .fr, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: b.ns.domainoo.fr.
    #13

Nameservers

warn

17 of 17 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
a.ns.domainoo.fr 83.167.45.12NOERROR, 17 ms, authoritativenoyes / yesrefusedDomainoo Domain Name System
a.ns.domainoo.fr 2001:1b48:3:5:83:167:45:12NOERROR, 20 ms, authoritativenoyes / yesrefusedDomainoo Domain Name System
a1-1.akam.net 193.108.91.1NOERROR, 8 ms, authoritativenoyes / yesrefused41824.9
a1-1.akam.net 2600:1401:2::1NOERROR, 8 ms, authoritativenoyes / yesrefused41824.7
a18-66.akam.net 95.101.36.66NOERROR, 7 ms, authoritativenoyes / yesrefused48878.32
a18-66.akam.net 2600:1480:4800::42NOERROR, 7 ms, authoritativenoyes / yesrefused48878.33
a20-67.akam.net 95.100.175.67NOERROR, 9 ms, authoritativenoyes / yesrefused48878.30
a20-67.akam.net 2a02:26f0:67::43NOERROR, 8 ms, authoritativenoyes / yesrefused48878.29
a26-64.akam.net 23.74.25.64NOERROR, 3 ms, authoritativenoyes / yesrefused48878.26
a26-64.akam.net 2600:1480:b800::40NOERROR, 4 ms, authoritativenoyes / yesrefused48878.32
a7-65.akam.net 23.61.199.65NOERROR, 8 ms, authoritativenoyes / yesrefused41824.6
a7-65.akam.net 2600:1406:32::41NOERROR, 9 ms, authoritativenoyes / yesrefused41824.11
a9-66.akam.net 184.85.248.66NOERROR, 9 ms, authoritativenoyes / yesrefused41824.9
a9-66.akam.net 2a02:26f0:117::42NOERROR, 7 ms, authoritativenoyes / yesrefused41824.5
b.ns.domainoo.fr 185.16.44.67NOERROR, 19 ms, authoritativenoyes / yesrefusedDomainoo Domain Name System
c.ns.domainoo.fr 51.195.181.92NOERROR, 22 ms, authoritativenoyes / yesrefusedDomainoo Domain Name System
c.ns.domainoo.fr 2001:41d0:800:219b::NOERROR, 22 ms, authoritativenoyes / yesrefusedDomainoo Domain Name System

Checks

  • ✓ All respond #14
    All 17 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-1.akam.net: "41824.9"; a1-1.akam.net: "41824.7"; a18-66.akam.net: "48878.32"; a18-66.akam.net: "48878.33"; a20-67.akam.net: "48878.30"; a20-67.akam.net: "48878.29"; a26-64.akam.net: "48878.26"; a26-64.akam.net: "48878.32"; a7-65.akam.net: "41824.6"; a7-65.akam.net: "41824.11"; a9-66.akam.net: "41824.9"; a9-66.akam.net: "41824.5". Hide or replace the version string.
    #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 2026100601 · primary a.ns.domainoo.fr

Found

Primary (MNAME)
a.ns.domainoo.fr
Contact (RNAME)
postmaster.domainoo.com
Serial
2026100601
Refresh / retry
14400 s / 3600 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
a.ns.domainoo.fr (83.167.45.12)2026100601
a.ns.domainoo.fr (2001:1b48:3:5:83:167:45:12)2026100601
a1-1.akam.net (193.108.91.1)2026100601
a1-1.akam.net (2600:1401:2::1)2026100601
a18-66.akam.net (95.101.36.66)2026100601
a18-66.akam.net (2600:1480:4800::42)2026100601
a20-67.akam.net (95.100.175.67)2026100601
a20-67.akam.net (2a02:26f0:67::43)2026100601
a26-64.akam.net (23.74.25.64)2026100601
a26-64.akam.net (2600:1480:b800::40)2026100601
a7-65.akam.net (23.61.199.65)2026100601
a7-65.akam.net (2600:1406:32::41)2026100601
a9-66.akam.net (184.85.248.66)2026100601
a9-66.akam.net (2a02:26f0:117::42)2026100601
b.ns.domainoo.fr (185.16.44.67)2026100601
c.ns.domainoo.fr (51.195.181.92)2026100601
c.ns.domainoo.fr (2001:41d0:800:219b::)2026100601

Checks

  • ✓ Serial 2026100601 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver a.ns.domainoo.fr is one of the listed nameservers.
  • ✓ Contact postmaster@domainoo.com #25
    The SOA RNAME postmaster.domainoo.com means postmaster@domainoo.com.
  • ✓ Date-based serial #26
    The serial 2026100601 follows the YYYYMMDDnn convention (2026-10-06).

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

26 records at the apex

Found

Read from
83.167.45.12:53
TypeValueTTL
SOAa.ns.domainoo.fr. postmaster.domainoo.com. 2026100601 14400 3600 1209600 8640086400
NSa7-65.akam.net.86400
NSa26-64.akam.net.86400
NSc.ns.domainoo.fr.86400
NSa9-66.akam.net.86400
NSa1-1.akam.net.86400
NSa20-67.akam.net.86400
NSb.ns.domainoo.fr.86400
NSa18-66.akam.net.86400
NSa.ns.domainoo.fr.86400
A185.16.44.892400
MX0 mxb-0024c501.gslb.pphosted.com.2400
MX0 mxa-0024c501.gslb.pphosted.com.2400
TXT"google-site-verification=t5zLxC2CWK5y4MGrvtLE9H9-niGj8WS99xUwvW3UTYo"2400
TXT"google-site-verification=z4pj-Uzzr-Hr4GnEjRbxNTKcXvK4UDHEYXk2ZdkQgU4"2400
TXT"ZOOM_verify_hNoJ5PxrILKBZCNib1sdc5"2400
TXT"v=spf1 include:_spf.salesforce.com ip4:159.183.110.239 ip4:50.74.79.36 ip4:103.211.116.33 ip4:185.110.84.89 include:spf.protection.outlook.com include:spf-0024c501.pphosted.com include:authsmtp.com include:spf.mandrillapp.com include:mail.zendesk.com ~all"2400
TXT"docusign=509dc5c9-1a47-444a-bd80-99027102781e"2400
TXT"klaviyo-site-verification=SXTMiL"2400
TXT"atlassian-domain-verification=SEGpG4bTVeaxNo1890aT5ZMHYvsauMXSeXc7Va6/mIJgaD6FmVxaKgcWryHpf2aH"2400
TXT"apple-domain-verification=g0Hf0iSrEK1TYzNy"2400
TXT"MS=ms18115065"2400
TXT"google-site-verification=0BY_mQKpJJGslxvtESydBz-tlV6TQRaCY5JRx6WjND8"2400
TXT"google-site-verification=A7Z7Dg3YKYsds1hFPu_mjO8A_aMArq5_UG_UITYjVYA"2400
TXT"atlassian-domain-verification=x2zUtPkFdqA4uF3Dws46XwkWl4kMmWLBBa4XeYdIpbYjT8KSgYmuA0Q2h1qFofC1"2400
TXT"google-site-verification=gPPyBNQRWdGaiZWHsFybKZO0u0brZTOcCGNj5b1J0r4"2400

Checks

  • ✓ TTLs within range #32
    TTLs: A 40m, MX 40m, 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