n16.dk

📜 Historical scan 2026-08-20 00:34:03  ·  ← 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   298ms

🌍 A Records#

2 records   181ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   262ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovern16.dk → 78.31.252.55
🔶 Autoconfign16.dk → 78.31.252.55

🔷 AAAA Records (IPv6)#

2 records   215ms

🔐 HTTPS Records#

1 records   208ms
PriorityTargetSvcParams
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 Records#

1 records   488ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www104.21.62.221 172.67.139.211 2606:4700:3030::ac43:8bd3 2606:4700:3032::6815:3edd (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
CNAME _acme-challenge.n16.dk n16.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

383ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2412633474
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 10:21:38
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-02-16
Expires2027-04-30 (193d)
📋 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 AtDurationRecordsDNSSEC
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 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone