erfa-gruppen.dk

📜 Historical scan 2026-06-17 08:00:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erfa-gruppen.dk is a .dk domain served by 2 nameservers (ns.kb.dk, ns2.kb.dk). It was registered on 11 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.229.40 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 3703ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.kb.dk	—	—	—
ns2.kb.dk	—	—	—

🌍 A Records#

1 records 3762ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.229.40	—	—	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 4881ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (erfa-gruppen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.erfa-gruppen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dar@kb.dk;

📬 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 2026-10-18 06:31:34

www	130.226.229.40 (AS1835) (address records, no CNAME)
www vs bare domain	Same network erfa-gruppen.dk: 130.226.229.40 (AS1835) www.erfa-gruppen.dk: 130.226.229.40 (AS1835)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

5046ms

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

🏷️ SOA#

4490ms

Field	Value
Serial	2016031520
Primary NS (MNAME)	ns.kb.dk
Responsible (RNAME)	dns@kb.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-18 06:53:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-03-11
Expires	2027-03-31 (161d)

🔗 Same registrant#

51 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
adl.dk	Punktum dk A/S (direct)
arkivfordansklitteratur.dk	Punktum dk A/S (direct)
billeddanmark.dk	Punktum dk A/S (direct)
cultural-assets.dk	Punktum dk A/S (direct)
dab.dk	Punktum dk A/S (direct)
dadmb.dk	Punktum dk A/S (direct)
dafos.dk	Punktum dk A/S (direct)
dagligliv.dk	Punktum dk A/S (direct)
dansketidsskrifter.dk	Punktum dk A/S (direct)
densortediamant.dk	Punktum dk A/S (direct)
detadministrativebibliotek.dk	Punktum dk A/S (direct)
detkongeligebibliotek.dk	Punktum dk A/S (direct)
digitalbevaring.dk	Punktum dk A/S (direct)
digitalpreservation.dk	Punktum dk A/S (direct)
dnlb.dk	Punktum dk A/S (direct)
e-tidsskrifter.dk	Punktum dk A/S (direct)
etidsskrifter.dk	Punktum dk A/S (direct)
folkemindesamlingen.dk	Punktum dk A/S (direct)
gamearchive.dk	Punktum dk A/S (direct)
gamepreservation.dk	Punktum dk A/S (direct)
illustreret-tidende.dk	Punktum dk A/S (direct)
illustrerettidende.dk	Punktum dk A/S (direct)
kb-informationssikkerhed.dk	Punktum dk A/S (direct)
kb.dk	Punktum dk A/S (direct)
kongelige-bibliotek.dk	Punktum dk A/S (direct)
kulturarv3.dk	Punktum dk A/S (direct)
kulturatlas.dk	Punktum dk A/S (direct)
kulturgoder.dk	Punktum dk A/S (direct)
kulturvaerdier.dk	Punktum dk A/S (direct)
kulturværdier.dk	Punktum dk A/S (direct)
kulturværdiudvalget.dk	Punktum dk A/S (direct)
kunstbib.dk	Punktum dk A/S (direct)
levendekultur.dk	Punktum dk A/S (direct)
linkedworlds.dk	Punktum dk A/S (direct)
lokaleliv.dk	Punktum dk A/S (direct)
memoryoftheworld.dk	Punktum dk A/S (direct)
minibib.dk	Punktum dk A/S (direct)
mixoscope.dk	Punktum dk A/S (direct)
nationalbibliotek.dk	Punktum dk A/S (direct)
opac.dk	Punktum dk A/S (direct)
periodica.dk	Punktum dk A/S (direct)
periodika.dk	Punktum dk A/S (direct)
pligtaflevering.dk	Punktum dk A/S (direct)
royal-library.dk	Punktum dk A/S (direct)
setfrahimlen.dk	Punktum dk A/S (direct)
spilarkivet.dk	Punktum dk A/S (direct)
spilbevaring.dk	Punktum dk A/S (direct)
theblackdiamond.dk	Punktum dk A/S (direct)
tidsskrift.dk	Punktum dk A/S (direct)
ub2.dk	Punktum dk A/S (direct)
verdenskulturarv.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

3703ms

3762ms

4780ms

AAAA

2969ms

TXT

4881ms

CAA

547ms

HTTPS

3327ms

TLSA

4416ms

SOA

4490ms

MTA-STS

4646ms

DNSSEC

5046ms

SRV

0ms

Total

14964ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 06:31:34	364ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-15 01:50:23	372ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-11 20:55:04	4504ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-06 06:43:41	3672ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 06:06:22	2811ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 05:55:01	2585ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-28 07:08:11	1659ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 06:19:21	488ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 05:54:12	1160ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-17 08:59:52	567ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-11 09:55:15	3235ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-04 04:36:43	2947ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-28 20:01:47	944ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-25 04:42:51	2956ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-22 22:44:04	2994ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-18 19:38:56	3290ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-12 08:56:46	2756ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-08 08:02:30	504ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-07 05:13:17	596ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-30 14:54:06	4859ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-28 04:57:34	713ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-24 01:07:00	2809ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-19 13:58:24	2381ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-18 07:08:28	3128ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-15 09:52:02	16433ms	2 NS 1 A 0 MX	🔒 Secure