duplex.dk

📜 Historical scan 2026-06-17 05:17:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duplex.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.172.101.141 is hosted by DigitalOcean, LLC (AS14061) in Germany. The zone is not DNSSEC-signed, has no 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#

3 records 159ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	—	—	—
ns2.digitalocean.com	—	—	—
ns3.digitalocean.com	—	—	—

🌍 A Records#

1 records 152ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.172.101.141	—	—	AS14061	DigitalOcean, LLC	167.172.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 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#

latest probe, not this scan · checked 2026-10-09 17:17:11

www	104.21.89.86 172.67.157.97 2606:4700:3036::ac43:9d61 2606:4700:3037::6815:5956 (AS13335) (address records, no CNAME)
www vs bare domain	Same network duplex.dk: 104.21.89.86 172.67.157.97 2606:4700:3036::ac43:9d61 2606:4700:3037::6815:5956 (AS13335) www.duplex.dk: 104.21.89.86 172.67.157.97 2606:4700:3036::ac43:9d61 2606:4700:3037::6815:5956 (AS13335)
Wildcard	Yes: any name under the zone resolves
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#

410ms

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

🏷️ SOA#

162ms

Field	Value
Serial	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@duplex.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

159ms

152ms

166ms

AAAA

206ms

TXT

416ms

CAA

181ms

HTTPS

181ms

TLSA

156ms

SOA

162ms

MTA-STS

214ms

DNSSEC

410ms

SRV

0ms

Total

1170ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 02:06:49	632ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-22 22:31:29	1109ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-17 20:00:34	1120ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-06 23:55:56	1309ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-17 04:00:46	1880ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-14 02:20:04	1471ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-07 16:19:54	2868ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-21 06:39:09	1618ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-28 16:11:39	712ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-19 07:40:00	682ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 05:17:29 shown	1170ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 05:10:29	8886ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 05:02:39	455ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 05:00:24	672ms	3 NS 1 A 0 MX	🔓 Insecure