mc45.dk DNS records

🖥️ Nameservers2 records 86ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.53	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 83ms

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
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)2 records 81ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5306	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d235	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 78ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.6,172.67.210.53 ech=AEX+DQBBRAAgACCnLwJmLitMBK1QAaEjyUWooIefQjI8u06YMkWVcYiNQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5306,2606:4700:3036::ac43:d235

📝 TXT Records1 records 338ms

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

✉️ SPF

Policy	Record (mc45.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 DMARC

Policy	Record (_dmarc.mc45.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.mc45.dk	aLyDiIA-IO7OvQ6DNhDAwRxot1l1q8OQecCx1dXwxTA
TXT	_acme-challenge.mc45.dk	bVyyNOopPgdUVFNoO4iZeWxOtLlWJfE7anyn7b8zolI

🔗 TLSA / DANE

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

🔐 DNSSEC217ms

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	2413426684
Primary NS (MNAME)	gabriella.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

86ms

A

100ms

MX

83ms

AAAA

81ms

TXT

338ms

CAA

77ms

HTTPS

78ms

TLSA

165ms

SOA

0ms

MTA-STS

164ms

DNSSEC

217ms

SRV

162ms

Total

1245ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 18:33:42	1245ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 19:32:08	716ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-24 14:18:02	1482ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-21 04:47:39	2890ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-23 01:19:39	2890ms	2 NS 2 A 2 MX	❓ Unknown	View
2026-07-21 02:08:56	8859ms	2 NS 2 A 2 MX	❓ Unknown	View
2026-06-25 04:43:25	952ms	2 NS 2 A 2 MX	❓ Unknown	View
2026-06-22 16:11:08	991ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-21 23:24:18	1085ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:26:03	1551ms	2 NS 2 A 2 MX	🔓 Insecure	View