a4a.dk

📜 Historical scan 2026-10-13 05:27:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a4a.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. 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   34ms
NameserverIP addressesPTRASN / 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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
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 2026-10-14 07:32:51
www46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domainSame network
a4a.dk: 46.30.211.38 (AS51468)
www.a4a.dk: 46.30.211.38 (AS51468)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

35ms
FieldValue
Serial2026101201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 07:48:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-03-18
Expires2027-03-31 (164d)

🔗 Same registrant#

84 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
80241010.dkPunktum dk A/S (direct)
a4morgen.dkPunktum dk A/S (direct)
allerammes.dkPunktum dk A/S (direct)
am-repræsentant.dkPunktum dk A/S (direct)
arbejdspladser.dkONE.COM A/S
arbejdstrup.dkPunktum dk A/S (direct)
bevægelsen.dkPunktum dk A/S (direct)
centerfritidsjob.dkPunktum dk A/S (direct)
cffj.dkPunktum dk A/S (direct)
deterok.dkPunktum dk A/S (direct)
digogdendanskemodel.dkPunktum dk A/S (direct)
faelleslaering.dkONE.COM A/S
fagbevaegelsen.dkPunktum dk A/S (direct)
fagbevægelse.dkPunktum dk A/S (direct)
fagbevægelsenslæringsportal.dkONE.COM A/S
fagforeningplus.dkONE.COM A/S
faktaomformueskat.dkONE.COM A/S
fh-aabenraa.dkPunktum dk A/S (direct)
fh-aarhus-sektion.dkPunktum dk A/S (direct)
fh-assens.dkPunktum dk A/S (direct)
fh-bornholm.dkPunktum dk A/S (direct)
fh-kolding.dkPunktum dk A/S (direct)
fh-langeland.dkPunktum dk A/S (direct)
fh-lolland.dkPunktum dk A/S (direct)
fh-norddjurs.dkPunktum dk A/S (direct)
fh-nordjylland.dkONE.COM A/S
fh-region-nordjylland.dkPunktum dk A/S (direct)
fh-ringkoebing-skjern.dkPunktum dk A/S (direct)
fh-sektionerne.dkONE.COM A/S
fh-skive-viborg.dkPunktum dk A/S (direct)
fh-slagelse.dkPunktum dk A/S (direct)
fh-soenderjylland.dkPunktum dk A/S (direct)
fh-struer.dkPunktum dk A/S (direct)
fh-syddanmark.dkPunktum dk A/S (direct)
fh-sønderjylland.dkPunktum dk A/S (direct)
fh-trekantsomroedet.dkPunktum dk A/S (direct)
fh-østsjælland.dkPunktum dk A/S (direct)
fho.dkPunktum dk A/S (direct)
findakasse.dkPunktum dk A/S (direct)
fingrenevaek.dkONE.COM A/S
fiu-elæring.dkPunktum dk A/S (direct)
fiu-mikrolaering.dkPunktum dk A/S (direct)
fiumanualer.dkPunktum dk A/S (direct)
fiuvideo.dkPunktum dk A/S (direct)
flportal.dkONE.COM A/S
forhandlingskartellet.dkPunktum dk A/S (direct)
formuefakta.dkONE.COM A/S
fplus.dkONE.COM A/S
frihediditarbejde.dkPunktum dk A/S (direct)
helefamilienpaaarbejde.dkPunktum dk A/S (direct)
hvadvilduvaere.dkPunktum dk A/S (direct)
kompetence.dkPunktum dk A/S (direct)
kompetenceudviklingsfonde.dkPunktum dk A/S (direct)
konflikt.dkPunktum dk A/S (direct)
lo-aarhus.dkPunktum dk A/S (direct)
lo-kortet.dkPunktum dk A/S (direct)
lofyn.dkPunktum dk A/S (direct)
lokortet.dkPunktum dk A/S (direct)
lovestfyn.dkPunktum dk A/S (direct)
lukligeloengabet.dkPunktum dk A/S (direct)
lønmodtagernes-organisation.dkPunktum dk A/S (direct)
nedskaeringer.dkPunktum dk A/S (direct)
nedskæringer.dkPunktum dk A/S (direct)
ok-arbejde.dkPunktum dk A/S (direct)
osmig.dkPunktum dk A/S (direct)
retfaerdigpension.dkONE.COM A/S
retfærdiggrønomstilling.dkPunktum dk A/S (direct)
sammenomgrønomstilling.dkPunktum dk A/S (direct)
seefterokmaerketnaarduvaelgerfagforening.dkPunktum dk A/S (direct)
sendmig.dkPunktum dk A/S (direct)
shanskoler.dkPunktum dk A/S (direct)
skabervaerdi.dkPunktum dk A/S (direct)
tillidtilvelfærd.dkPunktum dk A/S (direct)
tillykkemedvalget.dkPunktum dk A/S (direct)
tilmeldmig.dkPunktum dk A/S (direct)
trgrundbogen.dkPunktum dk A/S (direct)
ungbase.dkPunktum dk A/S (direct)
unitedforclimate.dkPunktum dk A/S (direct)
valgeterdit.dkPunktum dk A/S (direct)
videnindeks.dkPunktum dk A/S (direct)
viskalalleejedanmark.dkONE.COM A/S
viskaleje.dkONE.COM A/S
viskalejedanmark.dkONE.COM A/S
voreslæring.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
34ms
A
30ms
MX
37ms
AAAA
28ms
TXT
131ms
CAA
34ms
HTTPS
36ms
TLSA
43ms
SOA
35ms
MTA-STS
48ms
DNSSEC
108ms
SRV
43ms
Total
503ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 07:32:50 880ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-13 05:27:43 shown 503ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-07 19:12:53 507ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-30 18:15:05 790ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-28 08:28:55 660ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-04 04:34:39 643ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-01 23:47:06 637ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-28 01:11:41 698ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 18:56:18 893ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-25 23:08:01 739ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-16 00:53:22 4890ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 11:23:48 1597ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 21:41:25 577ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-18 15:10:59 658ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 12:59:30 2108ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 12:52:21 1560ms 2 NS 1 A 4 MX 🔒 Secure
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