sprex.dk DNS records

🖥️ Nameservers2 records 308ms

Nameserver	IP addresses	PTR	ASN / ISP
elly.ns.cloudflare.com	108.162.194.246 162.159.38.246 172.64.34.246 2606:4700:50::a29f:26f6 2803:f800:50::6ca2:c2f6 2a06:98c1:50::ac40:22f6	elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com	108.162.195.37 162.159.44.37 172.64.35.37 2606:4700:58::a29f:2c25 2803:f800:50::6ca2:c325 2a06:98c1:50::ac40:2325	mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 320ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.47	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.140	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 296ms

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	172.67.172.140
🔶 Autoconfig	104.21.88.47

🔷 AAAA Records (IPv6)2 records 300ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ac8c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:582f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 302ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.47,172.67.172.140 ech=AEX+DQBBhQAgACCYA/2cjIwgJdM/mH567Nqvzikeg/JqAvWGA+IfWwpQKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ac8c,2606:4700:3033::6815:582f

📝 TXT Records1 records 1104ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF

Policy	Record (sprex.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?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

🔗 TLSA / DANE

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

🔐 DNSSEC801ms

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	2412582881
Primary NS (MNAME)	elly.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

308ms

A

320ms

MX

296ms

AAAA

300ms

TXT

1104ms

CAA

297ms

HTTPS

302ms

TLSA

757ms

SOA

0ms

MTA-STS

495ms

DNSSEC

801ms

SRV

364ms

Total

9335ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 17:36:09	9335ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-26 13:59:30	17592ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 14:51:00	10806ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-25 04:52:01	902ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 21:42:33	1281ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-18 03:30:31	827ms	2 NS 2 A 2 MX	🔓 Insecure	View