castenlund.dk

📜 Historical scan 2026-09-01 06:16:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

castenlund.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by castenlund-dk.mail.eo.outlook.com. 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#

4 records 36ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	castenlund-dk.mail.eo.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::2 2a01:111:f403:ca09::9 2a01:111:f403:ca48::c 52.101.103.36 52.101.68.10 52.101.68.21 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 55ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	mail.scor.dk

📝 TXT Records#

2 records 137ms

TXT Record
MS=ms87318078
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (castenlund.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 10:01:12

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network castenlund.dk: 94.231.103.100 (AS48854) www.castenlund.dk: 94.231.103.100 (AS48854)
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#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2021121601
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 2026-10-10 07:00:21

Field	Value
Registrar	Simply.com A/S
Registered	1998-03-05
Expires	2027-03-31 (158d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

41ms

50ms

AAAA

42ms

TXT

137ms

CAA

30ms

HTTPS

54ms

TLSA

4033ms

SOA

0ms

MTA-STS

65ms

DNSSEC

77ms

SRV

55ms

Total

4655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:01:12	779ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:22:27	546ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 01:54:44	1423ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-20 23:58:44	533ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-09 14:18:39	927ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-01 06:16:59 shown	4655ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 06:24:30	6016ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:50:51	1347ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 23:11:11	953ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 19:40:49	2797ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:40:35	4470ms	4 NS 1 A 1 MX	🔒 Secure