exf.dk

📜 Historical scan 2026-08-27 04:21:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

exf.dk is a .dk domain served by 2 nameservers (deb.ns.cloudflare.com, justin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.160 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 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.118	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 64.233.165.26	le-in-f27.1e100.net le-in-x1b.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:9776	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:50a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.160,172.67.151.118 ech=AEX+DQBBbwAgACCcSqCCymWbpZSh2MukAi6EK9cGHbJNtMgI/KWdWVcZYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:9776,2606:4700:3037::6815:50a0

📝 TXT Records#

2 records 194ms

TXT Record
google-site-verification=wYKq_WG4rebQZJBOskyk38vAYx0aatihUt4bbH0Ucfg
v=spf1 include:zoho.eu include:_spf.google.com ~all

✉️ SPF#

Policy	Record (exf.dk)
~all (soft fail)	v=spf1 include:zoho.eu include:_spf.google.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#

11 records 36ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	letsencrypt.prg
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 08:56:00

www	NXDOMAIN
www vs bare domain	www does not resolve exf.dk: 104.21.80.160 172.67.151.118 2606:4700:3035::ac43:9776 2606:4700:3037::6815:50a0 (AS13335) www.exf.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.exf.dk	6bFTIIMjt5FDHMhkHnr8FOE8Zwu4tHRmsOI9-9_citA
TXT	_acme-challenge.exf.dk	E7ROV0mdQwZZc_8Bcqlt7VR-zbW9TymeGc35QmIGIe8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms

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	2413027046
Primary NS (MNAME)	deb.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

46ms

44ms

AAAA

34ms

TXT

194ms

CAA

36ms

HTTPS

56ms

TLSA

87ms

SOA

0ms

MTA-STS

77ms

DNSSEC

84ms

SRV

65ms

Total

837ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:56:00	783ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-08 00:26:47	660ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-04 03:12:43	642ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 22:28:26	1150ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-28 22:16:38	1152ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 20:47:56	1731ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-08 10:20:53	1298ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-05 00:34:25	887ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-31 13:24:25	921ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 03:24:24	3225ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 04:21:11 shown	837ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-25 03:31:19	1352ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-20 08:49:51	3599ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-24 06:34:04	1488ms	2 NS 2 A 5 MX	❓ Unknown
2026-06-21 21:25:30	877ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 06:09:42	968ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 09:09:06	1937ms	2 NS 2 A 5 MX	🔓 Insecure