ysub.dk

📜 Historical scan 2026-07-03 21:33:21 · ← 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 556ms

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#

1772ms

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 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

556ms

582ms

618ms

AAAA

610ms

TXT

2200ms

CAA

553ms

HTTPS

541ms

TLSA

410ms

SOA

563ms

MTA-STS

782ms

DNSSEC

1772ms

SRV

641ms

Total

9076ms

🕐 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	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