frederikpostborg.dk

📜 Historical scan 2026-06-17 10:30:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frederikpostborg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 174.138.15.41 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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 42ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
174.138.15.41	—	1583260.cloudwaysapps.com	AS14061	DigitalOcean, LLC	174.138.0.0/17	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 120ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (frederikpostborg.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.frederikpostborg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-10 17:23:17

www	174.138.15.41 (AS14061) (address records, no CNAME)
www vs bare domain	Same network frederikpostborg.dk: 174.138.15.41 (AS14061) www.frederikpostborg.dk: 174.138.15.41 (AS14061)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 116ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

94ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2026050100
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 2026-10-04 10:13:03

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-27
Expires	2027-01-26 (99d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

39ms

45ms

AAAA

66ms

TXT

120ms

CAA

37ms

HTTPS

44ms

TLSA

116ms

SOA

44ms

MTA-STS

41ms

DNSSEC

94ms

SRV

0ms

Total

1018ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 10:03:30	692ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 01:52:55	622ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 23:51:16	1129ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 01:13:29	484ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 14:56:16	2187ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:30:09 shown	1018ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:26:41	1327ms	3 NS 1 A 1 MX	🔓 Insecure