erfa-gruppen.dk

Records from scan: 2026-10-24 04:03:44  ·  1137ms total
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   88ms
NameserverIP addressesPTRASN / ISP
ns.kb.dk 130.226.226.15 ns.kb.dk AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.kb.dk 130.225.179.5 ns2.kb.dk AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records   192ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.226.229.40 3600s — 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   398ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

checked 2026-10-24 04:03:44
www130.226.229.40 (AS1835) (address records, no CNAME)
www vs bare domainSame network
erfa-gruppen.dk: 130.226.229.40 (AS1835)
www.erfa-gruppen.dk: 130.226.229.40 (AS1835)
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 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#

324ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

97ms
FieldValue
Serial2016031559
Primary NS (MNAME)ns.kb.dk
Responsible (RNAME)dns@kb.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-18 06:53:30
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-03-11
Expires2027-03-31 (157d)

🔗 Same registrant#

55 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).

DomainRegistrar
adl.dkPunktum dk A/S (direct)
arkivfordansklitteratur.dkPunktum dk A/S (direct)
billeddanmark.dkPunktum dk A/S (direct)
cultural-assets.dkPunktum dk A/S (direct)
dab.dkPunktum dk A/S (direct)
dadmb.dkPunktum dk A/S (direct)
dafos.dkPunktum dk A/S (direct)
dagligliv.dkPunktum dk A/S (direct)
danmarksbreve.dkPunktum dk A/S (direct)
dansketidsskrifter.dkPunktum dk A/S (direct)
densortediamant.dkPunktum dk A/S (direct)
detadministrativebibliotek.dkPunktum dk A/S (direct)
detkongeligebibliotek.dkPunktum dk A/S (direct)
digitalbevaring.dkPunktum dk A/S (direct)
digitalpreservation.dkPunktum dk A/S (direct)
dnlb.dkPunktum dk A/S (direct)
e-tidsskrifter.dkPunktum dk A/S (direct)
etidsskrifter.dkPunktum dk A/S (direct)
folkemindesamlingen.dkPunktum dk A/S (direct)
gamearchive.dkPunktum dk A/S (direct)
gamepreservation.dkPunktum dk A/S (direct)
illustreret-tidende.dkPunktum dk A/S (direct)
illustrerettidende.dkPunktum dk A/S (direct)
kb-informationssikkerhed.dkPunktum dk A/S (direct)
kb.dkPunktum dk A/S (direct)
kongelige-bibliotek.dkPunktum dk A/S (direct)
kulturarv-www.dkPunktum dk A/S (direct)
kulturarv3.dkPunktum dk A/S (direct)
kulturarw3.dkPunktum dk A/S (direct)
kulturatlas.dkPunktum dk A/S (direct)
kulturgoder.dkPunktum dk A/S (direct)
kulturvaerdier.dkPunktum dk A/S (direct)
kulturværdier.dkPunktum dk A/S (direct)
kulturværdiudvalget.dkPunktum dk A/S (direct)
kunstbib.dkPunktum dk A/S (direct)
levendekultur.dkPunktum dk A/S (direct)
linkedworlds.dkPunktum dk A/S (direct)
lokaleliv.dkPunktum dk A/S (direct)
memoryoftheworld.dkPunktum dk A/S (direct)
minibib.dkPunktum dk A/S (direct)
mixoscope.dkPunktum dk A/S (direct)
nationalbibliotek.dkPunktum dk A/S (direct)
opac.dkPunktum dk A/S (direct)
periodica.dkPunktum dk A/S (direct)
periodika.dkPunktum dk A/S (direct)
pligtaflevering.dkPunktum dk A/S (direct)
royal-library.dkPunktum dk A/S (direct)
setfrahimlen.dkPunktum dk A/S (direct)
spilarkivet.dkPunktum dk A/S (direct)
spilbevaring.dkPunktum dk A/S (direct)
theblackdiamond.dkPunktum dk A/S (direct)
tidsskrift.dkPunktum dk A/S (direct)
ub2.dkPunktum dk A/S (direct)
urania-vo.dkPunktum dk A/S (direct)
verdenskulturarv.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
88ms
A
192ms
MX
194ms
AAAA
88ms
TXT
398ms
CAA
188ms
HTTPS
224ms
TLSA
199ms
SOA
97ms
MTA-STS
243ms
DNSSEC
324ms
SRV
233ms
Total
1137ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 04:03:44 shown 1137ms 2 NS 1 A 0 MX 🔒 Secure
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
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