osterkruger-el.dk

📜 Historical scan 2026-06-17 21:03:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osterkruger-el.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 116.202.130.105 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by osterkrugerel-dk02i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsserver.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.dnsserver.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.202.130.105	—	web.nomilk.dk	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	osterkrugerel-dk02i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.0 52.101.73.16 52.101.73.22 52.101.73.26	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 74ms

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

📝 TXT Records#

1 records 173ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org ip4:193.8.36.0/22 +a +mx +ip4:185.221.37.134 include:spf.resellerhotel.dk +a +ip4:116.202.130.105 +ip6:2a01:4f8:231:49d6::2 +include:spf.nomilk.dk -all

✉️ SPF#

Policy	Record (osterkruger-el.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org ip4:193.8.36.0/22 +a +mx +ip4:185.221.37.134 include:spf.resellerhotel.dk +a +ip4:116.202.130.105 +ip6:2a01:4f8:231:49d6::2 +include:spf.nomilk.dk -all

📨 DMARC#

Policy	Record (_dmarc.osterkruger-el.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-07 17:46:15

www	116.202.130.105 (AS24940) (address records, no CNAME)
www vs bare domain	Same network osterkruger-el.dk: 116.202.130.105 (AS24940) www.osterkruger-el.dk: 116.202.130.105 (AS24940)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-osterkrugerel-dk02i._domainkey.dw1osterkrugereldk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-osterkrugerel-dk02i._domainkey.dw1osterkrugereldk.onmicrosoft.com	RSA · ~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: 9/10 · policy: -all

error include:spf.nomilk.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2026010501
Primary NS (MNAME)	ns1.dnsserver.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

40ms

41ms

AAAA

62ms

TXT

173ms

CAA

38ms

HTTPS

71ms

TLSA

1732ms

SOA

61ms

MTA-STS

75ms

DNSSEC

78ms

SRV

74ms

Total

2457ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:46:15	963ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 01:47:37	1249ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:03:17 shown	2457ms	2 NS 1 A 1 MX	🔒 Secure