oestrehavn.dk DNS records

🖥️ Nameservers2 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
lara.ns.cloudflare.com	108.162.192.128 172.64.32.128 173.245.58.128 2606:4700:50::adf5:3a80 2803:f800:50::6ca2:c080 2a06:98c1:50::ac40:2080	lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
simon.ns.cloudflare.com	108.162.193.232 172.64.33.232 173.245.59.232 2606:4700:58::adf5:3be8 2803:f800:50::6ca2:c1e8 2a06:98c1:50::ac40:21e8	simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.253	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.199	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp-in.sto-hy.se.stejtech.net	192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	smtp-in.sto-ste.se.stejtech.net	192.162.219.49 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	oestrehavn.dk → 5.175.18.244
🔶 Autoconfig	oestrehavn.dk → 5.175.18.244

🔷 AAAA Records (IPv6)2 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:b5c7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:23fd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 121ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.253,172.67.181.199 ech=AEX+DQBBIgAgACDOtQ3053aPAPHpudun+X+XZqInF7Z+ecPSgFoIC0EzYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b5c7,2606:4700:3037::6815:23fd

📝 TXT Records3 records 331ms

TXT Record
ca3-4f47659244ce4026b0e67067eaf722d9
gZlX3LTTo/ODxDMg9q8xKKiDezNOMAKoiLqAd800V91Q99u/J/n07XRsdPcjBpZyjxUL9F59FJv8RSRpJyyYoQ==
v=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.stejtech.net exp=_expl.stejtech.net -all

✉️ SPF

Policy	Record (oestrehavn.dk)
-all (hard fail)	v=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.stejtech.net exp=_expl.stejtech.net -all

📨 DMARC

Policy	Record (_dmarc.oestrehavn.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:IT@oestrehavn.dk;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.oestrehavn.dk	oestrehavn.dk
TXT	oestrehavn.dk	ca3-4f47659244ce4026b0e67067eaf722d9

🔗 TLSA / DANE

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

🔐 DNSSEC228ms

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

🏷️ SOA0ms

Field	Value
Serial	2412904481
Primary NS (MNAME)	lara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

95ms

A

67ms

MX

81ms

AAAA

84ms

TXT

331ms

CAA

56ms

HTTPS

121ms

TLSA

554ms

SOA

0ms

MTA-STS

137ms

DNSSEC

228ms

SRV

162ms

Total

3909ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 17:42:54	3909ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-20 17:04:40	2952ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-25 10:11:27	1092ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-18 03:13:21	2951ms	2 NS 2 A 2 MX	🔓 Insecure	View