wtcb.be

Checked 22 October 2026, 07:30 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 3 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

ns53.be, ns53.io

Found

Parent zone
be
Delegation from
a.nsset.be (194.0.6.1)
NS at the parent
ns53.be, ns53.io
NS in the zone
ns53.be, ns53.io
NameserverAddressesNetwork (AS)Glue
ns53.be49.13.15.43 94.237.57.255 2a04:3541:1000:500:f43f:26ff:fe87:58f4 2a01:4f8:c17:e57b::1AS24940 HETZNER-AS - Hetzner Online GmbH, DE AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI AS24940 HETZNER-AS - Hetzner Online GmbH, DE-
ns53.io185.70.198.56 194.62.98.213 2a04:3544:8000:1000:f43f:26ff:fe87:3d42 2a04:3542:8000:1000:f43f:26ff:fe87:67d1AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns53.be, ns53.io.
    #6
  • ✓ 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.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS202053 (UPCLOUD - UpCloud Ltd, FI): 6 addresses; AS24940 (HETZNER-AS - Hetzner Online GmbH, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .be, .io.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns53.be 49.13.15.43NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns53.be 94.237.57.255NOERROR, 23 ms, authoritativenoyes / yesrefused-
ns53.be 2a04:3541:1000:500:f43f:26ff:fe87:58f4NOERROR, 32 ms, authoritativenoyes / yesrefused-
ns53.be 2a01:4f8:c17:e57b::1NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns53.io 185.70.198.56NOERROR, 57 ms, authoritativenoyes / yesrefused-
ns53.io 194.62.98.213NOERROR, 33 ms, authoritativenoyes / yesrefused-
ns53.io 2a04:3544:8000:1000:f43f:26ff:fe87:3d42NOERROR, 49 ms, authoritativenoyes / yesrefused-
ns53.io 2a04:3542:8000:1000:f43f:26ff:fe87:67d1NOERROR, 33 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

warn

serial 2026091403 · primary ns53.be

Found

Primary (MNAME)
ns53.be
Contact (RNAME)
hostmaster.wtcb.be
Serial
2026091403
Refresh / retry
7200 s / 7200 s
Expire
1209600 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
ns53.be (49.13.15.43)2026091403
ns53.be (94.237.57.255)2026091403
ns53.be (2a04:3541:1000:500:f43f:26ff:fe87:58f4)2026091403
ns53.be (2a01:4f8:c17:e57b::1)2026091403
ns53.io (185.70.198.56)2026091403
ns53.io (194.62.98.213)2026091403
ns53.io (2a04:3544:8000:1000:f43f:26ff:fe87:3d42)2026091403
ns53.io (2a04:3542:8000:1000:f43f:26ff:fe87:67d1)2026091403

Checks

  • ✓ Serial 2026091403 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    retry 2h should be shorter than refresh 2h. Current values: refresh 2h, retry 2h, expire 14d, negative TTL 5m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns53.be is one of the listed nameservers.
  • ✓ Contact hostmaster@wtcb.be #25
    The SOA RNAME hostmaster.wtcb.be means hostmaster@wtcb.be.
  • ✓ Date-based serial #26
    The serial 2026091403 follows the YYYYMMDDnn convention (2026-09-14).

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

pass

27 records at the apex

Found

Read from
49.13.15.43:53
TypeValueTTL
SOAns53.be. hostmaster.wtcb.be. 2026091403 7200 7200 1209600 300300
NSns53.be.300
NSns53.io.300
A150.171.109.33300
AAAA2603:1061:14:23::1300
MX100 avas-backup.cloudemail.be.300
MX10 avas.cloudemail.be.300
TXT"_409gv3frrid8hvwhebs2hzsymev6rmx"300
TXT"_mjck0mq9na9mua0pjkghp5zh6kudx8t"300
TXT"d365mktkey=WEen0s6SYASb5wH4fN8NxOxDOwgPh5y02ou0MEQxJsIx"300
TXT"_0b6jo4qby5dytil0bbjsjn1ikvsgib0"300
TXT"facebook-domain-verification=r6ofrnelfodi4xl550imu9cgqvoxxj"300
TXT"t9jp1tsgjhbbwt1f73d42n8x9nntn3t2"300
TXT"47zghyr6jsvt0srjyqjz445rhcjfxlgr"300
TXT"google-site-verification=PZZcKU3qxxOcjZA1xcpibvIzSSOgFIsxK8bXhTg9tM0"300
TXT"sj2w3wsm02h7862b50xhqnshwfqs4l2h"300
TXT"_8wcr08tp5qyl48ytmdgwllbssup9mo4"300
TXT"sw393lqhzxnq5nch7ptv30xdt467ddvr"300
CAA0 issuewild "amazontrust.com"300
CAA0 issuewild "amazon.com"300
CAA0 issue "digicert.com"300
CAA0 issuewild "amazonaws.com"300
CAA0 issuewild "digicert.com"300
CAA0 issue "letsencrypt.org"300
CAA0 issuewild "sectigo.com"300
CAA0 issue "sectigo.com"300
CAA0 issuewild "awstrust.com"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, AAAA 5m, MX 5m, NS 5m. The NS TTL at the parent is 1d and in the zone 5m; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: amazontrust.com, amazon.com, digicert.com, amazonaws.com, letsencrypt.org, sectigo.com, awstrust.com.