duplex.dk

📜 Historical scan 2026-06-28 16:11:39 · ← 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.172.101.141	3600s	—	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#

95ms

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

🏷️ SOA#

61ms

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#

57ms

48ms

51ms

AAAA

53ms

TXT

321ms

CAA

73ms

HTTPS

48ms

TLSA

74ms

SOA

61ms

MTA-STS

78ms

DNSSEC

95ms

SRV

259ms

Total

712ms

🕐 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 shown	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	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