n16.dk

📜 Historical scan 2026-07-30 02:40:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

n16.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, keyla.ns.cloudflare.com). It was registered on 16 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.221 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
keyla.ns.cloudflare.com	108.162.194.170 162.159.38.170 172.64.34.170 2606:4700:50::a29f:26aa 2803:f800:50::6ca2:c2aa 2a06:98c1:50::ac40:22aa	keyla.ns.cloudflare.com keyla.ns.cloudflare.com keyla.ns.cloudflare.com keyla.ns.cloudflare.com keyla.ns.cloudflare.com keyla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.221	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.211	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c1e::1b 74.125.131.26	lb-in-f27.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	2404:6800:4013:813::1b	lcdels-in-f27.1e100.net	AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	2404:6800:4003:c26::1a	so-in-f26.1e100.net	AS15169 Google LLC
10	300s	aspmx2.googlemail.com	2404:6800:4013:813::1a	lcdels-in-f26.1e100.net	AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	n16.dk
🔶 Autoconfig	n16.dk

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8bd3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3edd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 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.n16.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:henrik@n16.dk

📬 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 2026-10-18 22:43:43

www	104.21.62.221 172.67.139.211 2606:4700:3030::ac43:8bd3 2606:4700:3032::6815:3edd (AS13335) (address records, no CNAME)
www vs bare domain	Same network n16.dk: 104.21.62.221 172.67.139.211 2606:4700:3030::ac43:8bd3 2606:4700:3032::6815:3edd (AS13335) www.n16.dk: 104.21.62.221 172.67.139.211 2606:4700:3030::ac43:8bd3 2606:4700:3032::6815:3edd (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.n16.dk	n16.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9070ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2410740422
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 10:21:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-02-16
Expires	2027-04-30 (193d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

52ms

33ms

AAAA

53ms

TXT

4213ms

CAA

2037ms

HTTPS

4030ms

TLSA

6107ms

SOA

0ms

MTA-STS

2070ms

DNSSEC

9070ms

SRV

4034ms

Total

17071ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 22:43:43	2236ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-26 02:35:58	1173ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-25 02:13:23	1007ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-04 03:23:50	2604ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-20 00:34:03	5828ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-18 22:00:28	10190ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-08 23:15:32	17443ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-30 02:40:47 shown	17071ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-15 19:16:40	1346ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-28 07:53:17	1305ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-26 09:13:05	1067ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-22 19:15:22	2327ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-19 01:27:25	1215ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 17:12:06	920ms	2 NS 2 A 5 MX	🔒 Secure