rtc.be

Checked 22 October 2026, 07:10 UTC · via 8.8.8.8
iAll checks passed
28 passed 0 warnings 0 failed 5 info

Registration

info

.be country-code

Found

TLD
.be (country-code)
ICANN policies apply
no

Checks

  • i
    .be 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
    .be is delegated in the root zone and DNSSEC-signed.
  • i
    Registration data not available
    No registration data via RDAP: the registry of .be offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.
    #3

Delegation

info

ns-0-c.gandi.net, ns-211-a.gandi.net, ns-34-b.gandi.net

Found

Parent zone
be
Delegation from
a.nsset.be (194.0.6.1)
NS at the parent
ns-0-c.gandi.net, ns-211-a.gandi.net, ns-34-b.gandi.net
NS in the zone
ns-0-c.gandi.net, ns-211-a.gandi.net, ns-34-b.gandi.net
NameserverAddressesNetwork (AS)Glue
ns-0-c.gandi.net217.70.187.1 2604:3400:aaac::1AS29169 GANDI-AS - GANDI SAS, FR AS209453 GANDI-LIVEDNS - GANDI SAS, FR-
ns-211-a.gandi.net173.246.100.212 2001:4b98:aaaa::d4AS209453 GANDI-LIVEDNS - GANDI SAS, FR AS209453 GANDI-LIVEDNS - GANDI SAS, FR-
ns-34-b.gandi.net213.167.230.35 2001:4b98:aaab::23AS209453 GANDI-LIVEDNS - GANDI SAS, FR AS209453 GANDI-LIVEDNS - GANDI SAS, FR-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns-0-c.gandi.net, ns-211-a.gandi.net, ns-34-b.gandi.net.
  • ✓ 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 3 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS209453 (GANDI-LIVEDNS - GANDI SAS, FR): 5 addresses; AS29169 (GANDI-AS - GANDI SAS, FR): 1 address.
  • i
    All nameserver names under .net
    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

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-0-c.gandi.net 217.70.187.1NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-0-c.gandi.net 2604:3400:aaac::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-211-a.gandi.net 173.246.100.212NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-211-a.gandi.net 2001:4b98:aaaa::d4NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-34-b.gandi.net 213.167.230.35NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-34-b.gandi.net 2001:4b98:aaab::23NOERROR, 4 ms, authoritativenoyes / yesrefused-

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.
  • ✓ 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

info

serial 1792627200 · primary ns1.gandi.net

Found

Primary (MNAME)
ns1.gandi.net
Contact (RNAME)
hostmaster.gandi.net
Serial
1792627200
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
10800 s

Serial per nameserver

NameserverSerial
ns-0-c.gandi.net (217.70.187.1)1792627200
ns-0-c.gandi.net (2604:3400:aaac::1)1792627200
ns-211-a.gandi.net (173.246.100.212)1792627200
ns-211-a.gandi.net (2001:4b98:aaaa::d4)1792627200
ns-34-b.gandi.net (213.167.230.35)1792627200
ns-34-b.gandi.net (2001:4b98:aaab::23)1792627200

Checks

  • ✓ Serial 1792627200 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 3h.
  • i
    Hidden master
    The primary nameserver ns1.gandi.net is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.
    #24
  • ✓ Contact hostmaster@gandi.net #25
    The SOA RNAME hostmaster.gandi.net means hostmaster@gandi.net.
  • ✓ Timestamp serial #26
    The serial 1792627200 is a Unix timestamp (2026-10-22 00:00 UTC).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
33226ECDSAP256SHA256 (13)SHA256 2E36A6207351CC37…yes

DNSKEY in the zone

Key tagRoleAlgorithm
33226ZSK (256)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 33226 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

12 records at the apex

Found

Read from
217.70.187.1:53
TypeValueTTL
SOAns1.gandi.net. hostmaster.gandi.net. 1792627200 10800 3600 604800 1080010800
NSns-34-b.gandi.net.10800
NSns-0-c.gandi.net.10800
NSns-211-a.gandi.net.10800
A185.40.71.17600
AAAA2a02:21d0:1:f6::1600
MX10 rtc-be.mail.protection.outlook.com.10800
TXT"google-site-verification=P6iGLrAwCeloHSkOEOruIU8MpYspsv8hrEOeGdVLuco"600
TXT"v=spf1 a mx ip4:91.183.186.72 ip4:51.15.253.103 ip4:141.95.203.11 ip4:91.183.33.224 ip4:91.183.33.147 ip4:85.26.37.145 ip4:5.196.62.239 ip4:82.212.178.234 ip4:188.65.218.77 include:spf.protection.outlook.com ~all"600
TXT"linkedin-site-verification=0f02f566-26e3-4942-b744-057e7b32ce0e"600
TXT"facebook-domain-verification=qnbd6mpotxm1gw3auo2lt28x008920"600
TXT"google-site-verification=shCEh-KuZ_d76txpNnIq4RxvoEcnXw3HqFH1XgzA0r0"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, AAAA 10m, MX 3h, NS 3h. The NS TTL at the parent is 1d and in the zone 3h; 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