rho4.dk

📜 Historical scan 2026-06-18 03:45:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rho4.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 6 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 206.81.25.1 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mxa.eu.mailgun.org, mxb.eu.mailgun.org. The zone is DNSSEC-signed and validates, 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 60ms

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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
206.81.25.1	—	—	AS14061	DigitalOcean, LLC	206.81.0.0/19	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
10	—	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 201ms

TXT Record
v=spf1 include:mailgun.org ~all

✉️ SPF#

Policy	Record (rho4.dk)
~all (soft fail)	v=spf1 include:mailgun.org ~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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 20:03:05

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Different networks rho4.dk: 206.81.25.1 (AS14061) www.rho4.dk: 94.231.103.100 (AS48854) (all like this)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

153ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2024070802
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 07:35:24

Field	Value
Registrar	Simply.com A/S
Registered	2024-03-06
Expires	2027-03-05 (136d)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

59ms

61ms

AAAA

60ms

TXT

201ms

CAA

54ms

HTTPS

60ms

TLSA

407ms

SOA

54ms

MTA-STS

54ms

DNSSEC

153ms

SRV

2032ms

Total

2830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:03:05	1285ms	3 NS 1 A 2 MX	🔒 Secure
2026-10-03 07:06:20	907ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-23 15:55:41	590ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-20 07:48:12	855ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-18 03:45:57 shown	2830ms	3 NS 1 A 2 MX	🔒 Secure