tele-onthaal.be

Checked 22 October 2026, 07:12 UTC · via 8.8.8.8
!Passed with warnings
16 passed 6 warnings 0 failed 7 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

warn

ns1.deltadns2.be, ns2.deltadns2.be

Found

Parent zone
be
Delegation from
a.nsset.be (194.0.6.1)
NS at the parent
ns1.deltadns2.be, ns2.deltadns2.be
NS in the zone
ns1.deltadns2.be, ns1.tele-onthaal.be, ns2.deltadns2.be, ns2.tele-onthaal.be
NameserverAddressesNetwork (AS)Glue
ns1.deltadns2.be31.193.178.204AS34762 COMBELL-AS - Combell NV, BE31.193.178.204
ns1.tele-onthaal.be (zone only)31.193.178.204AS34762 COMBELL-AS - Combell NV, BE-
ns2.deltadns2.be31.193.178.198AS34762 COMBELL-AS - Combell NV, BE31.193.178.208
ns2.tele-onthaal.be (zone only)31.193.178.204AS34762 COMBELL-AS - Combell NV, BE-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.deltadns2.be, ns2.deltadns2.be.
    #6
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: ns1.tele-onthaal.be, ns2.tele-onthaal.be. ns1.deltadns2.be, ns1.tele-onthaal.be, ns2.deltadns2.be, ns2.tele-onthaal.be report NS ns1.deltadns2.be ns1.tele-onthaal.be ns2.deltadns2.be ns2.tele-onthaal.be.
    #7
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: ns2.deltadns2.be (glue 31.193.178.208, zone 31.193.178.198). Update the glue at your registrar.
    #8
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • !
    Nameservers in one network
    all IPv4 addresses are in 31.193.178.0/24. A single network failure takes all nameservers down; RFC 2182 recommends topologically separate networks (anycast setups are an exception).
    #10
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS34762 (COMBELL-AS - Combell NV, BE): 4 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 .be
    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
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.deltadns2.be 31.193.178.204NOERROR, 13 ms, authoritativenoyes / yesrefusednone
ns1.tele-onthaal.be 31.193.178.204NOERROR, 14 ms, authoritativenoyes / yesrefusednone
ns2.deltadns2.be 31.193.178.198NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns2.tele-onthaal.be 31.193.178.204NOERROR, 13 ms, authoritativenoyes / yesrefusednone

Checks

  • ✓ All respond #14
    All 4 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.deltadns2.be: "none"; ns1.tele-onthaal.be: "none"; ns2.tele-onthaal.be: "none".
    #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

warn

serial 2026041601 · primary ns1.tele-onthaal.be

Found

Primary (MNAME)
ns1.tele-onthaal.be
Contact (RNAME)
root.deltacom-web-002.solvit.srv.nucleus-ops.net
Serial
2026041601
Refresh / retry
3600 s / 3600 s
Expire
604800 s
Negative TTL
10800 s

Serial per nameserver

NameserverSerial
ns1.deltadns2.be (31.193.178.204)2026041601
ns1.tele-onthaal.be (31.193.178.204)2026041601
ns2.deltadns2.be (31.193.178.198)2026041601
ns2.tele-onthaal.be (31.193.178.204)2026041601

Checks

  • ✓ Serial 2026041601 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    retry 1h should be shorter than refresh 1h. Current values: refresh 1h, retry 1h, expire 7d, negative TTL 3h.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.tele-onthaal.be is one of the listed nameservers.
  • ✓ Contact root@deltacom-web-002.solvit.srv.nucleus-ops.net #25
    The SOA RNAME root.deltacom-web-002.solvit.srv.nucleus-ops.net means root@deltacom-web-002.solvit.srv.nucleus-ops.net.
  • ✓ Date-based serial #26
    The serial 2026041601 follows the YYYYMMDDnn convention (2026-04-16).

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

13 records at the apex

Found

Read from
31.193.178.204:53
TypeValueTTL
SOAns1.tele-onthaal.be. root.deltacom-web-002.solvit.srv.nucleus-ops.net. 2026041601 3600 3600 604800 108003600
NSns1.deltadns2.be.3600
NSns1.tele-onthaal.be.3600
NSns2.tele-onthaal.be.3600
NSns2.deltadns2.be.3600
A5.134.7.93600
MX50 mail.tele-onthaal.be.3600
MX10 mx.mailprotect.be.3600
MX45 mx.backup.mailprotect.be.3600
MX10 mail.tele-onthaal.be.3600
TXT"v=spf1 mx a ip4:5.134.7.9 ip4:31.193.178.222 ip4:31.193.178.204 ip4:81.82.216.151 include:_spf.se.stone-is.be include:_spf.google.com ip4:31.193.178.235 ~all"3600
TXT"google-site-verification=Js9UGAEK9DEdJyzJL-kLhacAercQtktO256WQ_gGUgs"3600
TXT"google-site- verification=0WwZS9ljRgQODalFboGa3n4Wu2n5TpfywXMqcqXAxNI"3600

Checks

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