opsahl.dk

📜 Historical scan 2026-06-18 06:56:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opsahl.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 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 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 64ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	—	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records#

3 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	—	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
20	—	mail.gigahost.dk	89.186.169.85	—	AS47292 Sentia Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 484ms

TXT Record
MS=311B5A12A508355BB29C7F6FAE811C923743725D
protonmail-verification=df59212d07e16859bf3a94679dd154b369a63ef7
v=spf1 ip4:46.183.139.199 include:gigahost.dk -all

✉️ SPF#

Policy	Record (opsahl.dk)
-all (hard fail)	v=spf1 ip4:46.183.139.199 include:gigahost.dk -all

📨 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 2026-10-12 17:57:05

www	46.183.138.100 (AS47292) (address records, no CNAME)
www vs bare domain	Same network opsahl.dk: 46.183.138.100 (AS47292) www.opsahl.dk: 46.183.138.100 (AS47292)
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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

62ms

Field	Value
Serial	2026032501
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#

64ms

52ms

59ms

AAAA

58ms

TXT

484ms

CAA

58ms

HTTPS

51ms

TLSA

60ms

SOA

62ms

MTA-STS

62ms

DNSSEC

180ms

SRV

131ms

Total

935ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 02:39:24	727ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-27 02:09:32	584ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-24 19:36:52	626ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-23 19:11:47	1030ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-22 02:10:11	683ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-27 22:25:26	583ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-20 06:24:08	456ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-18 06:56:49 shown	935ms	2 NS 1 A 3 MX	🔒 Secure