n16.dk DNS records

🖥️ Nameservers2 records 298ms

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 Records2 records 181ms

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 Records5 records 262ms

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::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-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 215ms

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 Records1 records 208ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.221,172.67.139.211 ech=AEX+DQBBCwAgACBoocGDHpSy1Wk646dQgSDb6caPtXukGz3aH7eIeyomZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bd3,2606:4700:3032::6815:3edd

📝 TXT Records1 records 488ms

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

🔏 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)

🔐 DNSSEC383ms

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

🏷️ SOA0ms

Field	Value
Serial	2412633474
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

298ms

A

181ms

MX

262ms

AAAA

215ms

TXT

488ms

CAA

84ms

HTTPS

208ms

TLSA

566ms

SOA

0ms

MTA-STS

282ms

DNSSEC

383ms

SRV

265ms

Total

5828ms

🕐 Scan History

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