naturfagsmarathon.dk

📜 Historical scan 2026-06-25 19:43:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

naturfagsmarathon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 277ms

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 233ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

7 records 208ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c03::1b	rd-in-f27.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4003:c26::1a	lcbomp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	108.177.125.26 2404:6800:4003:c26::1b	tp-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	192.178.230.27 2607:f8b0:400e:c1e::1a	yunrtab-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 606ms

TXT Record
nvhuswebclientdrift.azurewebsites.net

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

latest probe, not this scan · checked 2026-10-13 06:04:01

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network naturfagsmarathon.dk: 195.47.247.18 (AS51468) www.naturfagsmarathon.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

503ms

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

🏷️ SOA#

253ms

Field	Value
Serial	2026061201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-21 14:14:39

Field	Value
Registrar	ONE.COM A/S
Registered	2008-01-16
Expires	2028-01-31 (460d)

🔗 Same registrant#

6 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).

Domain	Registrar
esero.dk	Punktum dk A/S (direct)
minimaraton.dk	ONE.COM A/S
naturfagsmaraton.dk	ONE.COM A/S
naturvidenskaberneshus.dk	Punktum dk A/S (direct)
nvhus.dk	Punktum dk A/S (direct)
rumrejsen.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

277ms

233ms

208ms

AAAA

197ms

TXT

606ms

CAA

264ms

HTTPS

306ms

TLSA

425ms

SOA

253ms

MTA-STS

295ms

DNSSEC

503ms

SRV

355ms

Total

3736ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:04:01	558ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-07 22:05:14	569ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-01 04:02:22	860ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-24 21:37:42	720ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-16 19:51:54	1680ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-09 18:32:53	755ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-15 00:51:28	3734ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-18 16:43:09	1219ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-14 15:53:57	1265ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-07 03:16:59	17100ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-25 19:43:26 shown	3736ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-23 23:02:51	923ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:20:31	2920ms	2 NS 1 A 7 MX	🔒 Secure