netnic.dk

📜 Historical scan 2026-08-18 21:59:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

netnic.dk is a .dk domain served by 2 nameservers (khalid.ns.cloudflare.com, kristin.ns.cloudflare.com). It was registered on 15 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.140 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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   120ms
NameserverIP addressesPTRASN / ISP
khalid.ns.cloudflare.com 108.162.195.53
162.159.44.53
172.64.35.53
2606:4700:58::a29f:2c35
2803:f800:50::6ca2:c335
2a06:98c1:50::ac40:2335		 khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com
khalid.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com 108.162.192.181
172.64.32.181
173.245.58.181
2606:4700:50::adf5:3ab5
2803:f800:50::6ca2:c0b5
2a06:98c1:50::ac40:20b5		 kristin.ns.cloudflare.com
kristin.ns.cloudflare.com
kristin.ns.cloudflare.com
kristin.ns.cloudflare.com
kristin.ns.cloudflare.com
kristin.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   112ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.10.140 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.190.114 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   109ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.190.114
🔶 Autoconfig104.21.10.140

🔷 AAAA Records (IPv6)#

2 records   209ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:be72 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:a8c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   105ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.10.140,172.67.190.114 ech=AEX+DQBBmgAgACA1smk0Qt2HIaNDBiPL3uqJ1QPehkyj7EZpiwu5J30EJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:be72,2606:4700:3035::6815:a8c

🔌 SRV Records#

1 records   982ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 433 maildiscover.simply.com

📝 TXT Records#

1 records   551ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (netnic.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 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 2026-10-17 21:15:04
www104.21.10.140 172.67.190.114 2606:4700:3030::ac43:be72 2606:4700:3035::6815:a8c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   195ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

319ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412480274
Primary NS (MNAME)khalid.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 18:51:46
FieldValue
RegistrarSimply.com A/S
Registered2024-02-15
Expires2027-02-14 (118d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
agronet.dkSimply.com A/S
gpsnu.dkSimply.com A/S
netnico.dkSimply.com A/S
powerbackup.dkSimply.com A/S
rtkhub.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
120ms
A
112ms
MX
109ms
AAAA
209ms
TXT
551ms
CAA
97ms
HTTPS
105ms
TLSA
195ms
SOA
0ms
MTA-STS
178ms
DNSSEC
319ms
SRV
982ms
Total
3899ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 21:15:04 4240ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 18:39:24 2456ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-12 11:49:13 521ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 06:30:35 1052ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 01:09:53 1276ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-17 21:49:32 754ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 12:54:27 9532ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 05:48:21 954ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 21:59:42 shown 3899ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-15 00:17:44 2160ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 01:55:37 1112ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 03:53:00 1112ms 2 NS 2 A 1 MX 🔓 Insecure
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