duckwriter.dk

Records from scan: 2026-10-02 19:45:15 · 2378ms total · last checked 2026-10-24 12:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duckwriter.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 August 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.248.139.138 is hosted by Netnoerden ApS (AS216275) in Denmark. 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#

3 records 67ms

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

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.248.139.138	600s	—	AS216275	Netnoerden ApS	80.248.138.0/23	🇩🇰 Denmark	Søborg

📧 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

🧩 Web & zone#

checked 2026-10-13 05:11:32

www	NXDOMAIN
www vs bare domain	www does not resolve duckwriter.dk: 80.248.139.138 (AS216275) www.duckwriter.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 20:13:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-08-14
Expires	2027-08-13 (292d)

📋 WHOIS#

⏱️ Lookup Timing#

67ms

31ms

38ms

AAAA

48ms

TXT

128ms

CAA

30ms

HTTPS

52ms

TLSA

2046ms

SOA

48ms

MTA-STS

46ms

DNSSEC

63ms

SRV

70ms

Total

2378ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 19:45:15 shown	2378ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-29 19:26:36	2323ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-26 06:40:05	4470ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-24 04:48:26	1827ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-04 10:16:48	926ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-28 06:19:22	535ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-26 15:00:41	456ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-28 03:22:04	617ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-26 03:34:09	775ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-17 04:55:35	389ms	3 NS 1 A 0 MX	🔒 Secure