byg1by.dk

📜 Historical scan 2026-09-16 04:12:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg1by.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 41ms

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#

📧

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 148ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (byg1by.dk)
-all (hard fail)	v=spf1 -all

📨 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

🔎 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#

2062ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091401
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 2026-10-02 23:32:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-09-14
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

43ms

40ms

AAAA

25ms

TXT

148ms

CAA

47ms

HTTPS

41ms

TLSA

28ms

SOA

0ms

MTA-STS

44ms

DNSSEC

2062ms

SRV

50ms

Total

2307ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 17:25:00	607ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-24 08:31:49	220ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 19:55:06	435ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 14:00:02	160ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 09:15:16	185ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 08:30:24	337ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 07:42:14	242ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 07:34:27	144ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 05:23:57	340ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 03:16:40	94ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 23:59:05	246ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 21:38:13	213ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 20:54:11	372ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 17:38:31	388ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 11:37:44	1269ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 11:33:17	215ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 22:52:47	123ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 22:51:45	127ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 22:50:34	158ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 22:49:24	214ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 22:48:16	842ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-16 04:12:46 shown	2307ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-03 14:47:35	615ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-28 05:42:24	1111ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-26 14:54:33	596ms	2 NS 1 A 4 MX	🔒 Secure