sfaer.dk

📜 Historical scan 2026-06-18 01:16:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfaer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 88ms

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#

🌍

No A records found

📧 MX Records#

3 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
20	—	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
30	—	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 176ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk
_imap._tcp	0	10	143	imap.gigahost.dk
_imaps._tcp	0	10	993	imap.gigahost.dk

📝 TXT Records#

2 records 202ms

TXT Record
spf2.0/pra
v=spf1 a mx include:dopeserv.com -all

✉️ SPF#

Policy	Record (sfaer.dk)
-all (hard fail)	v=spf1 a mx include:dopeserv.com -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 14:48:46

www	NXDOMAIN
www vs bare domain	Neither resolves sfaer.dk: no address www.sfaer.dk: no address
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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

179ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

90ms

Field	Value
Serial	2026061101
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 2026-10-07 23:45:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-05-28
Expires	2029-05-31 (948d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

85ms

73ms

AAAA

112ms

TXT

202ms

CAA

73ms

HTTPS

90ms

TLSA

62ms

SOA

90ms

MTA-STS

28ms

DNSSEC

179ms

SRV

176ms

Total

586ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:48:46	864ms	2 NS 0 A 3 MX	🔒 Secure
2026-09-30 04:17:01	425ms	2 NS 0 A 3 MX	🔒 Secure
2026-09-12 18:10:51	654ms	2 NS 0 A 3 MX	🔒 Secure
2026-09-03 03:09:54	641ms	2 NS 0 A 3 MX	🔒 Secure
2026-08-11 19:26:51	795ms	2 NS 0 A 3 MX	🔒 Secure
2026-07-17 18:12:47	882ms	2 NS 0 A 3 MX	🔒 Secure
2026-07-14 22:17:15	1120ms	2 NS 0 A 3 MX	🔒 Secure
2026-06-28 08:26:12	4498ms	2 NS 0 A 3 MX	🔒 Secure
2026-06-21 04:33:26	824ms	2 NS 0 A 3 MX	🔒 Secure
2026-06-21 04:16:47	1135ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:16:39 shown	586ms	2 NS 0 A 3 MX	🔒 Secure