isy-online.dk

📜 Historical scan 2026-08-22 12:56:06 · ← 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 109ms

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#

591ms

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 (248d)

📋 WHOIS#

⏱️ Lookup Timing#

109ms

180ms

87ms

AAAA

84ms

TXT

1036ms

CAA

109ms

HTTPS

82ms

TLSA

191ms

SOA

48ms

MTA-STS

128ms

DNSSEC

591ms

SRV

359ms

Total

2145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 22:54:45	3199ms	2 NS 0 A 0 MX	❓ Unknown
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 shown	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	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