cofu.dk

📜 Historical scan 2026-09-27 22:10:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cofu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 2 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.1.26 142.251.1.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c1e::1b 64.233.164.26 64.233.164.27 64.233.165.26	lb-in-f26.1e100.net lb-in-f27.1e100.net lf-in-x1a.1e100.net lf-in-f26.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lg-in-f27.1e100.net lg-in-x1b.1e100.net lb-in-f27.1e100.net lf-in-f26.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 54ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 131ms

TXT Record
facebook-domain-verification=7502pmq1b23gbv2jwan0lwef09t639
google-site-verification=MnGjNfK-dH7TckSD7BMoJAh_nYEzGTBFZgCwhylhKuQ
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.cofu.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@cofu.dk

📬 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 2026-10-12 18:03:19

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network cofu.dk: 198.202.211.1 (AS209242) www.cofu.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026052000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 00:18:15

Field	Value
Registrar	Simply.com A/S
Registered	2023-04-02
Expires	2027-04-01 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

27ms

35ms

AAAA

31ms

TXT

131ms

CAA

30ms

HTTPS

36ms

TLSA

650ms

SOA

0ms

MTA-STS

43ms

DNSSEC

69ms

SRV

54ms

Total

1300ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:03:19	2083ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 23:55:04	3947ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:47:17	2173ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 22:10:46 shown	1300ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-05 19:19:29	2198ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 08:16:18	1442ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:43:14	1921ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:41:02	637ms	3 NS 1 A 1 MX	🔒 Secure