duels.dk

Records from scan: 2026-09-29 19:38:23 · 621ms total · last checked 2026-10-16 09:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duels.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 3 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx1.alias.proton.me, mx2.alias.proton.me. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.alias.proton.me	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mx2.alias.proton.me	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 136ms

TXT Record
pm-verification=qcbugrqlkrsduyirvwdpxjyhdyniob

✉️ 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

🧩 Web & zone#

checked 2026-10-09 00:30:37

www CNAME	cname.vercel-dns.com (all on vercel-dns.com) → 66.33.60.66 76.76.21.142 (AS16509)
www vs bare domain	Same network duels.dk: 76.76.21.21 (AS16509) www.duels.dk: 66.33.60.66 76.76.21.142 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

2 records 263ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.alias.proton.me	DANE-EE · SPKI · SHA-256	73B2D19CF53EE2FB4C4C92A023518318…
SMTP _25._tcp.mx2.alias.proton.me	DANE-EE · SPKI · SHA-256	73B2D19CF53EE2FB4C4C92A023518318…

🔐 DNSSEC#

79ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090101
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 14:45:04

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-05-03
Expires	2027-05-02 (197d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

48ms

52ms

AAAA

49ms

TXT

136ms

CAA

47ms

HTTPS

54ms

TLSA

263ms

SOA

0ms

MTA-STS

32ms

DNSSEC

79ms

SRV

77ms

Total

621ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:38:23 shown	621ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-11 09:26:31	674ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-02 10:44:41	776ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-01 05:20:08	1248ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-02 01:32:04	678ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 04:55:03	849ms	2 NS 1 A 2 MX	🔒 Secure