erfagruppe.dk

📜 Historical scan 2026-07-25 20:04:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erfagruppe.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. 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 96ms

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 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.58.131.239	21600s	—	—	—	—	🇩🇰 Denmark	—

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-23 13:34:24

www	86.58.131.239 (address records, no CNAME)
www vs bare domain	Same network erfagruppe.dk: 86.58.131.239 www.erfagruppe.dk: 86.58.131.239
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

192ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026072401
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 2026-10-11 01:03:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-09-10
Expires	2027-09-30 (341d)

📋 WHOIS#

⏱️ Lookup Timing#

96ms

97ms

85ms

AAAA

81ms

TXT

256ms

CAA

88ms

HTTPS

82ms

TLSA

60ms

SOA

0ms

MTA-STS

8071ms

DNSSEC

192ms

SRV

8064ms

Total

8475ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 13:34:24	462ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 23:39:29	497ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 20:10:40	13970ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 12:53:55	483ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:25:05	632ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 20:04:13 shown	8475ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 17:34:56	4542ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 17:59:14	439ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 00:42:17	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 08:20:14	677ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:04:12	1064ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 08:03:11	9101ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 08:02:06	348ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 08:00:07	473ms	2 NS 1 A 0 MX	🔒 Secure