mathics.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
andronicus.ns.cloudflare.com	108.162.195.113 162.159.44.113 172.64.35.113 2606:4700:58::a29f:2c71 2803:f800:50::6ca2:c371 2a06:98c1:50::ac40:2371	andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eleanor.ns.cloudflare.com	108.162.194.205 162.159.38.205 172.64.34.205 2606:4700:50::a29f:26cd 2803:f800:50::6ca2:c2cd 2a06:98c1:50::ac40:22cd	eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.126	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.44	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mathics-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 52.101.68.12 52.101.68.29 52.101.73.12 52.101.73.28	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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	104.21.56.126

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:387e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:972c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.126,172.67.151.44 ech=AEX+DQBBNQAgACCjr5A4o1nFITiBeL5tXchIFB2vWQKYM9K7Q/WdikYETwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:387e,2606:4700:3031::ac43:972c

📝 TXT Records1 records 178ms

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

✉️ SPF

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

🔐 DNSSEC125ms

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	2411478665
Primary NS (MNAME)	andronicus.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

37ms

A

37ms

MX

32ms

AAAA

42ms

TXT

178ms

CAA

43ms

HTTPS

37ms

TLSA

16043ms

SOA

0ms

MTA-STS

71ms

DNSSEC

125ms

SRV

116ms

Total

17305ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 15:38:43	17305ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-10 12:35:52	1739ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 07:02:36	3029ms	2 NS 2 A 1 MX	🔓 Insecure	View