mcu.dk DNS records

🖥️ Nameservers2 records 2043ms

Nameserver	IP addresses	PTR	ASN / ISP
jean.ns.cloudflare.com	108.162.192.121 172.64.32.121 173.245.58.121 2606:4700:50::adf5:3a79 2803:f800:50::6ca2:c079 2a06:98c1:50::ac40:2079	jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tony.ns.cloudflare.com	108.162.193.240 172.64.33.240 173.245.59.240 2606:4700:58::adf5:3bf0 2803:f800:50::6ca2:c1f0 2a06:98c1:50::ac40:21f0	tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 2040ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.159	299s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.121	299s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 2043ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mcu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.5 52.101.73.1 52.101.73.24 52.101.73.4	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 2043ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:9279	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4f9f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 2046ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.159,172.67.146.121 ech=AEX+DQBB/gAgACBIVulMEx7OVziL8f6Guob9W5ShrfTsiK0KKx+rZQwZKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9279,2606:4700:3036::6815:4f9f

🔌 SRV Records1 records 93ms

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

📝 TXT Records2 records 2318ms

TXT Record
_globalsign-domain-verification=t9ducB9AB9SXTvSxn9SgW7K6OH_fwRyXTCjjiC5C0C
v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com include:uxmail.io ip4:2.109.66.250 ip4:52.166.129.0 a mx -all

✉️ SPF

Policy	Record (mcu.dk)
-all (hard fail)	v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com include:uxmail.io ip4:2.109.66.250 ip4:52.166.129.0 a mx -all

📨 DMARC

Policy	Record (_dmarc.mcu.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+g357wgyu0wt@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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.mcu.dk	3BGjgBN70PkFGPOYHaiWbqIWgkCZxMtQv-rlXh3655E
TXT	_acme-challenge.mcu.dk	bpbIWkSesfVld1nDz7GeiIR31vynpa2CKSxsxAl2m7Y

🔗 TLSA / DANE

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

🔐 DNSSEC2049ms

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	2407407408
Primary NS (MNAME)	jean.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

2043ms

A

2040ms

MX

2043ms

AAAA

2043ms

TXT

2318ms

CAA

2034ms

HTTPS

2046ms

TLSA

207ms

SOA

0ms

MTA-STS

86ms

DNSSEC

2049ms

SRV

93ms

Total

2888ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 06:11:42	1473ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 18:31:37	1344ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 17:53:36	2373ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 15:15:11	11186ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 15:07:26	8698ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 17:07:13	4111ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-06 10:09:44	3786ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 16:13:32	1678ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 03:18:36	1006ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 01:33:49	968ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 17:47:57	2888ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 11:43:45	2321ms	2 NS 2 A 1 MX	🔓 Insecure	View