a4-a.dk

Records from scan: 2026-10-09 12:40:53  ·  371ms total  ·  last checked 2026-10-23 22:40 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a4-a.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
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   43ms
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   49ms
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#

checked 2026-10-09 12:40:53
www46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domainSame network
a4-a.dk: 46.30.211.38 (AS51468)
www.a4-a.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#

52ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

35ms
FieldValue
Serial2026092801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-23 15:21:49
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-03-18
Expires2027-03-31 (158d)

🔗 Same registrant#

156 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
1-maj.dkPunktum dk A/S (direct)
80241010.dkPunktum dk A/S (direct)
a-fire.dkONE.COM A/S
a4a.dkPunktum dk A/S (direct)
a4fri.dkPunktum dk A/S (direct)
a4morgen.dkPunktum dk A/S (direct)
akffonden.dkPunktum dk A/S (direct)
allerammes.dkPunktum dk A/S (direct)
am-repræsentant.dkPunktum dk A/S (direct)
arbejdspladser.dkONE.COM A/S
arbejdspladsregister.dkONE.COM A/S
arbejdstrup.dkPunktum dk A/S (direct)
bevægelse.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)
fagbevaegelsenslaeringsportal.dkONE.COM A/S
fagbevægelse.dkPunktum dk A/S (direct)
fagbevægelsen.dkPunktum dk A/S (direct)
fagbevægelsenslæringsportal.dkONE.COM A/S
fagforeningplus.dkONE.COM A/S
fagho.dkPunktum dk A/S (direct)
fagligeunge.dkPunktum dk A/S (direct)
faktaomformueskat.dkONE.COM A/S
faktaomformueskatten.dkONE.COM A/S
fbho.dkPunktum dk A/S (direct)
fh-aabenraa.dkPunktum dk A/S (direct)
fh-aarhus-sektion.dkPunktum dk A/S (direct)
fh-assens.dkPunktum dk A/S (direct)
fh-billund.dkPunktum dk A/S (direct)
fh-bornholm.dkPunktum dk A/S (direct)
fh-fredericia.dkPunktum dk A/S (direct)
fh-fyn.dkPunktum dk A/S (direct)
fh-guldborgsund.dkPunktum dk A/S (direct)
fh-jammerbugt.dkPunktum dk A/S (direct)
fh-kalundborg.dkPunktum dk A/S (direct)
fh-kerteminde.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-oestjylland.dkPunktum dk A/S (direct)
fh-oestsjaelland.dkPunktum dk A/S (direct)
fh-region-hovedstaden.dkPunktum dk A/S (direct)
fh-region-nordjylland.dkPunktum dk A/S (direct)
fh-regionnordjylland.dkPunktum dk A/S (direct)
fh-regionsjaelland.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-skive.dkPunktum dk A/S (direct)
fh-slagelse.dkPunktum dk A/S (direct)
fh-soenderjylland.dkPunktum dk A/S (direct)
fh-storstroem.dkPunktum dk A/S (direct)
fh-storstrøm.dkPunktum dk A/S (direct)
fh-struer.dkPunktum dk A/S (direct)
fh-syddanmark.dkPunktum dk A/S (direct)
fh-sydfyn.dkA/S SCANNET
fh-sønderjylland.dkPunktum dk A/S (direct)
fh-trekantsomroedet.dkPunktum dk A/S (direct)
fh-vallensbæk.dkPunktum dk A/S (direct)
fh-varde.dkPunktum dk A/S (direct)
fh-vordingborg.dkPunktum dk A/S (direct)
fh-østsjælland.dkPunktum dk A/S (direct)
fho.dkPunktum dk A/S (direct)
fhshop.dkONE.COM A/S
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)
fiu-mikrolæring.dkPunktum dk A/S (direct)
fiu-tjekind.dkPunktum dk A/S (direct)
fiu-video.dkPunktum dk A/S (direct)
fiu.dkPunktum dk A/S (direct)
fiubio.dkPunktum dk A/S (direct)
fiumanualer.dkPunktum dk A/S (direct)
fiuvideo.dkPunktum dk A/S (direct)
fleregodeår.dkPunktum dk A/S (direct)
flportal.dkONE.COM A/S
forandringnu.dkPunktum dk A/S (direct)
fordele-for-medlemmer.dkPunktum dk A/S (direct)
fordeleformedlemmer.dkPunktum dk A/S (direct)
forhandlingskartellet.dkPunktum dk A/S (direct)
formuefakta.dkONE.COM A/S
fplus.dkONE.COM A/S
frihediditarbejde.dkPunktum dk A/S (direct)
fælleslæring.dkONE.COM A/S
greentransitiontogether.dkPunktum dk A/S (direct)
helefamilienpaaarbejde.dkPunktum dk A/S (direct)
hvadvilduvaere.dkPunktum dk A/S (direct)
hvadvilduvære.dkPunktum dk A/S (direct)
jegerok.dkPunktum dk A/S (direct)
jobindenmark.dkPunktum dk A/S (direct)
jobpatruljen.dkPunktum dk A/S (direct)
kigefterokmaerket.dkPunktum dk A/S (direct)

Showing 100 of 156.

📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
43ms
MX
49ms
AAAA
37ms
TXT
154ms
CAA
39ms
HTTPS
43ms
TLSA
31ms
SOA
35ms
MTA-STS
51ms
DNSSEC
52ms
SRV
51ms
Total
371ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:40:53 shown 371ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-07 18:38:16 344ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 21:16:48 449ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-28 23:48:41 478ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 23:01:31 455ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 22:53:11 541ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-03 12:03:22 602ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 20:24:23 1940ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 13:15:11 947ms 2 NS 1 A 4 MX 🔒 Secure
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