by-lenn.dk

Records from scan: 2026-10-22 21:33:38 · 1801ms total · last checked 2026-10-26 00:59 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

by-lenn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 133ms

Nameserver	IP addresses	PTR	ASN / 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#

🌍

No A records found

📧 MX Records#

5 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.250.150.26 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b	la-in-f26.1e100.net lr-in-x1b.1e100.net lr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 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 2026-10-22 21:33:38

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves by-lenn.dk: no address www.by-lenn.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

293ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

63ms

Field	Value
Serial	2026101401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-20 18:25:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-10-13
Expires	2026-10-31 (5d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

133ms

62ms

71ms

AAAA

68ms

TXT

358ms

CAA

115ms

HTTPS

64ms

TLSA

278ms

SOA

63ms

MTA-STS

142ms

DNSSEC

293ms

SRV

149ms

Total

1801ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 21:33:38 shown	1801ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-20 18:01:44	880ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-14 13:59:08	569ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-01 05:31:30	631ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-29 14:36:12	1488ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-26 09:06:21	2560ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-19 08:12:56	923ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-26 18:40:28	800ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-13 18:09:10	1155ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-15 11:07:27	1095ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-27 16:16:23	739ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 18:18:35	3739ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 18:09:50	432ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 18:05:14	2007ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 18:00:57	692ms	2 NS 0 A 5 MX	🔒 Secure