contrib.dk DNS records

🖥️ Nameservers2 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
salvador.ns.cloudflare.com	108.162.195.100 162.159.44.100 172.64.35.100 2606:4700:58::a29f:2c64 2803:f800:50::6ca2:c364 2a06:98c1:50::ac40:2364	salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com salvador.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.46	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	contrib-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 52.101.73.2 52.101.73.24 52.101.73.26 52.101.73.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 52.98.154.152

🔷 AAAA Records (IPv6)2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:372e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9087	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.46,172.67.144.135 ech=AEX+DQBBtAAgACBWD1tDsBTbQglXmyZSdqAd95aQk1ur/CTll9Dy4zOWewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:372e,2606:4700:3035::ac43:9087

📝 TXT Records2 records 337ms

TXT Record
MS=5650A8652C787449AF142F349ADB0D0113A4E23A
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (contrib.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.contrib.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@contrib.dk

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records11 records 86ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	sectigo.com
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC242ms

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

🏷️ SOA0ms

Field	Value
Serial	2413075879
Primary NS (MNAME)	deb.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

80ms

A

60ms

MX

102ms

AAAA

64ms

TXT

337ms

CAA

86ms

HTTPS

88ms

TLSA

533ms

SOA

0ms

MTA-STS

160ms

DNSSEC

242ms

SRV

160ms

Total

2458ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 13:19:10	2458ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 11:25:54	1829ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 13:50:53	7353ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 14:12:09	4574ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 15:24:56	1403ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-09 05:32:11	3827ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 09:56:28	2407ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 22:10:06	1150ms	2 NS 2 A 1 MX	🔓 Insecure	View