qc20.dk

📜 Historical scan 2026-08-31 16:38:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

qc20.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 18 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.150.42.11 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by www.qc20.dk. The zone is not DNSSEC-signed, publishes a 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#

4 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns1.dotserv.net	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.150.42.11	3600s	—	AS3308	Norlys Telco A/S	213.150.32.0/19	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	3600s	www.qc20.dk	213.150.42.11	—	AS3308 Norlys Telco A/S

🔷 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#

Policy	Record (_dmarc.qc20.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 48ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 15:14:36

www	213.150.42.11 (AS3308) (address records, no CNAME)
www vs bare domain	Same network qc20.dk: 213.150.42.11 (AS3308) www.qc20.dk: 213.150.42.11 (AS3308)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9102ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1281015720
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-10 09:46:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-08-18
Expires	2027-09-30 (343d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

39ms

AAAA

40ms

TXT

198ms

CAA

48ms

HTTPS

50ms

TLSA

71ms

SOA

0ms

MTA-STS

61ms

DNSSEC

9102ms

SRV

78ms

Total

9565ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 07:10:10	611ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-31 16:38:48 shown	9565ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-24 21:47:03	17151ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 06:45:14	952ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:45:36	1204ms	4 NS 1 A 1 MX	🔓 Insecure