dfu.dk

📜 Historical scan 2026-06-17 02:36:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dfu.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 143.244.197.248 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

3 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	—	—	—
ns2.digitalocean.com	—	—	—
ns3.digitalocean.com	—	—	—

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
143.244.197.248	—	—	AS14061	DigitalOcean, LLC	143.244.196.0/22	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 216ms

TXT Record
google-site-verification=GDkVm_ZpSbE3uz7kDsrnnOp8pwup1zRWKzxw9Fh8n8c
MS=ms78327169
v=spf1 include:_spf.google.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (dfu.dk)
~all (soft fail)	v=spf1 include:_spf.google.com 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#

1 records 70ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 10:51:21

www CNAME	dfu.dk (all on dfu.dk) → 143.244.197.248 (AS14061)
www vs bare domain	Same network dfu.dk: 143.244.197.248 (AS14061) www.dfu.dk: 143.244.197.248 (AS14061)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms

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

🏷️ SOA#

54ms

Field	Value
Serial	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@dfu.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

69ms

56ms

AAAA

78ms

TXT

216ms

CAA

70ms

HTTPS

57ms

TLSA

89ms

SOA

54ms

MTA-STS

97ms

DNSSEC

138ms

SRV

0ms

Total

699ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-27 05:45:45	1238ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 09:37:21	2958ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 02:36:04 shown	699ms	3 NS 1 A 1 MX	🔓 Insecure