cfnnetworks.dk

📜 Historical scan 2026-07-18 21:57:12 · ← 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 270ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.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 282ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.19	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 303ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cfnnetworks-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 52.101.68.21 52.101.68.3 52.101.73.1 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	104.21.13.192

🔷 AAAA Records (IPv6)#

2 records 265ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:dc0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8513	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 282ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.192,172.67.133.19 ech=AEX+DQBBKwAgACCfkBhxL2VNlhpdtLtkh6QUqdzq1RkEayL6TtLsjEgQPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:dc0,2606:4700:3036::ac43:8513

📝 TXT Records#

2 records 555ms

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#

424ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2409864073
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#

270ms

282ms

303ms

AAAA

265ms

TXT

555ms

CAA

245ms

HTTPS

282ms

TLSA

513ms

SOA

0ms

MTA-STS

299ms

DNSSEC

424ms

SRV

369ms

Total

3114ms

🕐 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 shown	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	665ms	2 NS 2 A 1 MX	🔓 Insecure