isy-online.dk

📜 Historical scan 2026-07-23 20:21:34 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isy-online.dk is a registered .dk domain whose nameservers (dns.nic.xlink.net, koeln.nic.xlink.net) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 23 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 89ms

Nameserver	IP addresses	PTR	ASN / ISP
dns.nic.xlink.net	194.45.97.99	chemnitz.nic.xlink.net	AS6724 Strato GmbH
koeln.nic.xlink.net	193.141.3.6	ulm.nic.xlink.net	AS6724 Strato GmbH

🌍 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#

📝

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

144ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-06 22:50:19

Field	Value
Registrar	united-domains GmbH
Registered	2010-06-23
Expires	2027-06-30 (249d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

71ms

73ms

AAAA

83ms

TXT

978ms

CAA

86ms

HTTPS

76ms

TLSA

272ms

SOA

34ms

MTA-STS

250ms

DNSSEC

144ms

SRV

621ms

Total

2125ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:55:04	3576ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-23 14:55:57	3647ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-22 12:56:06	2145ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-21 12:51:49	8017ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-20 12:31:02	12129ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-19 09:57:07	6705ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-18 09:54:28	3817ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-17 02:57:15	6641ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-14 23:43:42	7109ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-13 10:49:16	11436ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-12 07:51:21	5602ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-10 21:19:56	5548ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-08 15:44:13	11396ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-06 06:12:23	3926ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-03 08:55:06	9276ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-30 15:09:17	3671ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-27 23:33:36	9620ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-26 23:16:47	5240ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-25 23:09:12	1706ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-24 22:48:34	12064ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-23 20:21:34 shown	2125ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-22 20:18:32	9375ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-21 18:48:57	1736ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-20 09:56:13	1638ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-19 09:26:35	1709ms	2 NS 0 A 0 MX	❓ Unknown