cfnnetworks.dk

📜 Historical scan 2026-06-16 20:10:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfnnetworks.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 9 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.192 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cfnnetworks-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	—	—	—
mitch.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.192	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.19	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cfnnetworks-dk.mail.protection.outlook.com	52.101.68.15 52.101.68.27 52.101.68.29 52.101.68.3	mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8513	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:dc0	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.192,172.67.133.19 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8513,2606:4700:3036::6815:dc0

📝 TXT Records#

2 records 115ms

TXT Record
MS=ms70870125
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cfnnetworks.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cfnnetworks.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-07 21:31:11

www	104.21.13.192 172.67.133.19 2606:4700:3033::6815:dc0 2606:4700:3036::ac43:8513 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cfnnetworks.dk: 104.21.13.192 172.67.133.19 2606:4700:3033::6815:dc0 2606:4700:3036::ac43:8513 (AS13335) www.cfnnetworks.dk: 104.21.13.192 172.67.133.19 2606:4700:3033::6815:dc0 2606:4700:3036::ac43:8513 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u46528827.wl078.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u46528827.wl078.sendgrid.net	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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

28ms

Field	Value
Serial	2406586905
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 12:04:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-02-09
Expires	2027-02-28 (132d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

AAAA

30ms

TXT

115ms

CAA

29ms

HTTPS

27ms

TLSA

178ms

SOA

28ms

MTA-STS

51ms

DNSSEC

107ms

SRV

0ms

Total

665ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:31:11	1043ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 18:13:37	709ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 22:10:12	841ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 08:57:58	3078ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 05:38:00	2000ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 02:56:35	2168ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 06:23:27	1312ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 21:57:12	3114ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 12:20:36	1295ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 03:28:03	1380ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 15:06:42	806ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 20:10:56 shown	665ms	2 NS 2 A 1 MX	🔓 Insecure