blaek-sprutten.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.165	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:cea5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:16c0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.192,172.67.206.165 ech=AEX+DQBB7QAgACBX6p3UjWY6Pcq9vTcrzvzxB284Oop9RKCFG8+jfcntRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cea5,2606:4700:3034::6815:16c0

📝 TXT Records2 records 178ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all
v=spf1 a mx ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (blaek-sprutten.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.dk ~all
~all (soft fail)	v=spf1 a mx ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.blaek-sprutten.dk	AqrB_ULthx7pmebC1KUbgOrRXN9d2GlJ3QdCXU2LEUI
TXT	_acme-challenge.blaek-sprutten.dk	CfRS5uwySTsjjBlKQYrEvbc-Ee_OAzNk1gKz2r68icY

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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	2413569840
Primary NS (MNAME)	barbara.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

32ms

A

36ms

MX

29ms

AAAA

34ms

TXT

178ms

CAA

28ms

HTTPS

30ms

TLSA

49ms

SOA

0ms

MTA-STS

46ms

DNSSEC

109ms

SRV

46ms

Total

581ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:58:18	581ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-27 16:11:47	9906ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 18:13:27	776ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 13:11:06	2792ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-24 18:37:24	12881ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 19:12:41	941ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 13:32:44	1941ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 10:11:21	978ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 11:09:43	1116ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 14:46:44	593ms	2 NS 2 A 1 MX	🔓 Insecure	View