w4b.dk

Records from scan: 2026-10-10 17:50:00  ·  1304ms total  ·  last checked 2026-10-25 03:22 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

w4b.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.54.91.37 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by .. 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   40ms
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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.54.91.37 600s mail.jeppesens.com AS9158 Telenor A/S 212.54.64.0/19 🇩🇰 Denmark Herlev

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovervalentine.jeppesens.com → 77.212.202.15
🔶 Autoconfigvalentine.jeppesens.com → 77.212.202.15

🔷 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#

PolicyRecord (_dmarc.w4b.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@jeppesens.com

📬 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 2026-10-10 17:50:00
www46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domainDifferent networks
w4b.dk: 212.54.91.37 (AS9158)
www.w4b.dk: 46.30.211.38 (AS51468)
(all like this)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.w4b.dk valentine.jeppesens.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

28ms
FieldValue
Serial2026100901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-10 18:13:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-04-06
Expires2028-04-30 (553d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
35ms
MX
37ms
AAAA
38ms
TXT
154ms
CAA
38ms
HTTPS
33ms
TLSA
576ms
SOA
28ms
MTA-STS
84ms
DNSSEC
102ms
SRV
74ms
Total
1304ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 17:50:00 shown 1304ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 12:44:00 1036ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 07:47:56 707ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-22 16:51:43 1058ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-10 04:23:17 927ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-28 01:42:41 702ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-09 13:08:42 1555ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-13 17:44:03 6817ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-10 11:48:22 902ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 17:57:27 671ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-22 02:32:19 912ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 21:40:25 1002ms 2 NS 1 A 0 MX 🔒 Secure
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