ysub.dk

📜 Historical scan 2026-08-13 13:08:39 · ← Latest scan

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

ysub.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 11 March 2017 (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#

4 records 125ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark 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#

📝

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#

184ms

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 2026-10-09 02:24:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-03-11
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

125ms

130ms

124ms

AAAA

144ms

TXT

556ms

CAA

120ms

HTTPS

134ms

TLSA

131ms

SOA

134ms

MTA-STS

144ms

DNSSEC

184ms

SRV

164ms

Total

1690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:10:52	1576ms	4 NS 0 A 0 MX	❓ Unknown
2026-09-24 17:54:35	10213ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-23 16:12:47	3865ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-22 11:11:45	1940ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-21 10:54:19	9505ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-20 10:09:30	10218ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-19 08:13:53	7966ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-18 08:10:54	10270ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-17 05:20:23	10301ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-15 19:09:56	3863ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-14 14:45:29	1402ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-13 13:08:39 shown	1690ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-11 11:35:13	10331ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-10 07:34:02	18098ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-08 20:03:47	1766ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-06 02:24:07	1743ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-04 03:45:16	3558ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-27 23:09:19	10383ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-26 22:50:31	12256ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-25 22:36:18	1395ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-24 22:20:45	1412ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-23 19:38:54	1555ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-22 11:58:24	9666ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-21 07:45:28	9226ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-20 00:34:27	1507ms	4 NS 0 A 0 MX	❓ Unknown