sejrogco.dk

📜 Historical scan 2026-06-18 03:36:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejrogco.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 25 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by sejrogco-dk.mail.protection.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#

2 records 186ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 187ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	—	forward.dnsfactory.dk	AS48854	—	—	—	—

📧 MX Records#

1 records 190ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sejrogco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 52.101.68.21 52.101.68.36 52.101.73.22 52.101.73.28	mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 344ms

TXT Record
MS=ms54862236
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sejrogco.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 2026-10-09 02:54:42

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sejrogco.dk: 93.191.155.240 (AS48854) www.sejrogco.dk: 93.191.155.240 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 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#

268ms

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

🏷️ SOA#

183ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 02:56:30

Field	Value
Registrar	CURANET A/S
Registered	2006-03-25
Expires	2027-03-31 (156d)

📋 WHOIS#

⏱️ Lookup Timing#

186ms

187ms

190ms

AAAA

182ms

TXT

344ms

CAA

186ms

HTTPS

175ms

TLSA

313ms

SOA

183ms

MTA-STS

187ms

DNSSEC

268ms

SRV

220ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 22:16:38	1097ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 04:37:13	2326ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 22:15:33	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:36:11 shown	1271ms	2 NS 1 A 1 MX	🔒 Secure