dfu.dk

Records from scan: 2026-06-27 05:45:45 · 1238ms total · last checked 2026-10-19 21:15 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
143.244.197.248	3600s	—	AS14061	DigitalOcean, LLC	143.244.196.0/22	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10252s	smtp.google.com	173.194.220.26 173.194.221.26 173.194.221.27 173.194.222.27 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 64.233.164.27	lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f27.1e100.net lk-in-f27.1e100.net lk-in-x1b.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-x1b.1e100.net lo-in-f27.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 657ms

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 53ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

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#

89ms

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

🏷️ SOA#

52ms

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#

54ms

59ms

AAAA

77ms

TXT

657ms

CAA

53ms

HTTPS

54ms

TLSA

114ms

SOA

52ms

MTA-STS

101ms

DNSSEC

89ms

SRV

205ms

Total

1238ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-27 05:45:45 shown	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	699ms	3 NS 1 A 1 MX	🔓 Insecure