gdt.dk

Records from scan: 2026-10-07 13:14:27 · 9450ms total · last checked 2026-10-17 15:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gdt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 174.138.15.41 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. 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 166ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
174.138.15.41	3600s	1583260.cloudwaysapps.com	AS14061	DigitalOcean, LLC	174.138.0.0/17	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

5 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.179.20.27 2404:6800:4000:1027::1a	ncboms-in-f27.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 331ms

TXT Record
resend-domain-verification=533652598dd438633c8dc8eb18ed0c95
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (gdt.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.gdt.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 21:23:38

www	174.138.15.41 (AS14061) (address records, no CNAME)
www vs bare domain	Same network gdt.dk: 174.138.15.41 (AS14061) www.gdt.dk: 174.138.15.41 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

270ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

80ms

Field	Value
Serial	2026100701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

166ms

90ms

104ms

AAAA

154ms

TXT

331ms

CAA

148ms

HTTPS

150ms

TLSA

8042ms

SOA

80ms

MTA-STS

186ms

DNSSEC

270ms

SRV

167ms

Total

9450ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 13:14:27 shown	9450ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-27 10:51:57	624ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-20 06:22:54	760ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-16 07:39:06	664ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-09 01:33:05	2341ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-06 05:40:24	1173ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-28 15:06:14	746ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-17 09:18:58	1443ms	3 NS 1 A 5 MX	🔓 Insecure