oerbaekskilde.dk

📜 Historical scan 2026-06-23 18:55:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oerbaekskilde.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by oerbaekskilde-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	37.27.223.112	monitor.itout.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	38400s	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	oerbaekskilde-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.68.18 52.101.68.39 52.101.73.15 52.101.73.16	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 220ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 359ms

TXT Record
v=spf1 a mx ip4:86.58.182.139 ip4:83.94.107.94 ip4:5.186.46.4 ip4:74.234.210.229 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (oerbaekskilde.dk)
-all (hard fail)	v=spf1 a mx ip4:86.58.182.139 ip4:83.94.107.94 ip4:5.186.46.4 ip4:74.234.210.229 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 2026-09-30 22:14:08

www CNAME	oerbaekskilde.dk (all on oerbaekskilde.dk)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-oerbaekskilde-dk._domainkey.oerbaekskilde.onmicrosoft.com	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

181ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2018100410
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	admin@c-system.dk
Refresh	10800s
Retry	3600s
Expire	1309600s
Minimum (neg-cache TTL)	38400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

70ms

71ms

86ms

AAAA

65ms

TXT

359ms

CAA

71ms

HTTPS

65ms

TLSA

131ms

SOA

69ms

MTA-STS

155ms

DNSSEC

181ms

SRV

220ms

Total

882ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:14:08	823ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 18:32:54	913ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:02:50	920ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 18:55:41 shown	882ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:45:42	942ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 03:24:18	781ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:10:50	3589ms	3 NS 1 A 1 MX	🔓 Insecure