gbt.dk

Records from scan: 2026-09-30 14:05:13  ·  807ms total  ·  last checked 2026-10-27 19:00 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gbt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.63.97.248 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   78ms

🌍 A Records#

1 records   42ms

📧 MX Records#

5 records   39ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovergbt.dk → 178.63.97.248
🔶 Autoconfiggbt.dk → 178.63.97.248

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   166ms
TXT Record
google-site-verification=1mGEuKXgcnOqNrM4MPU19piyLC9P3gj6K_xDGXKjMa4
google-site-verification=UYXRJkn3S-aHI_PahCI9kt98S2PEhfXdBqNu4fsupws
v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

✉️ SPF#

PolicyRecord (gbt.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

📨 DMARC#

PolicyRecord (_dmarc.gbt.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-11 05:45:56
www CNAMEgbt.dk (all on gbt.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.gbt.dk gbt.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

51ms
FieldValue
Serial2026092501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-16 10:35:23
FieldValue
RegistrarONE.COM A/S
Registered2002-11-07
Expires2026-12-31 (64d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
78ms
A
42ms
MX
39ms
AAAA
42ms
TXT
166ms
CAA
51ms
HTTPS
37ms
TLSA
145ms
SOA
51ms
MTA-STS
54ms
DNSSEC
99ms
SRV
82ms
Total
807ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 14:05:13 shown 807ms 2 NS 1 A 5 MX 🔒 Secure
2026-09-26 11:23:49 981ms 2 NS 1 A 5 MX 🔒 Secure
2026-08-26 16:13:39 1487ms 2 NS 1 A 5 MX 🔒 Secure
2026-08-17 03:24:42 3694ms 2 NS 1 A 5 MX 🔒 Secure
2026-07-26 01:17:58 1391ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-25 04:29:41 760ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-22 22:32:41 770ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-17 10:37:42 1495ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-17 10:27:25 874ms 2 NS 1 A 5 MX 🔒 Secure
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