n16.dk

📜 Historical scan 2026-08-18 22:00:28 · ← 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 85ms

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 77ms

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 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	142.251.127.26 2a00:1450:4010:c22::1a	lcfrai-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	n16.dk → 78.31.252.55
🔶 Autoconfig	n16.dk → 78.31.252.55

🔷 AAAA Records (IPv6)#

2 records 75ms

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#

1 records 91ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.221,172.67.139.211 ech=AEX+DQBBmgAgACA1smk0Qt2HIaNDBiPL3uqJ1QPehkyj7EZpiwu5J30EJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bd3,2606:4700:3032::6815:3edd

📝 TXT Records#

1 records 408ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (n16.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.n16.dk	p-FP6zKeUKLDaZBnwJrfBYKwQ5F9MsLBf645KReJA20
TXT	_acme-challenge.n16.dk	wHNPoc-Ia9awT7hFuwYHcgBG1vd8LxG321SIQDxQM0E

🔗 TLSA / DANE#

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

🔐 DNSSEC#

286ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412546160
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#

85ms

77ms

93ms

AAAA

75ms

TXT

408ms

CAA

67ms

HTTPS

91ms

TLSA

452ms

SOA

0ms

MTA-STS

261ms

DNSSEC

286ms

SRV

980ms

Total

10190ms

🕐 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 shown	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	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