mathema.dk DNS records

🖥️ Nameservers2 records 81ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.aveo.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.aveo.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.135	3600s	linux24.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mathema-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.16 52.101.73.1 52.101.73.22 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40
🔶 Autoconfig	185.21.41.135

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 200ms

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

✉️ SPF

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

🔐 DNSSEC116ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025020602
Primary NS (MNAME)	ns1.aveo.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

81ms

A

69ms

MX

62ms

AAAA

79ms

TXT

200ms

CAA

49ms

HTTPS

81ms

TLSA

631ms

SOA

0ms

MTA-STS

84ms

DNSSEC

116ms

SRV

96ms

Total

1306ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:01:48	1306ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:12:41	2778ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:38:44	679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:35:16	1203ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:51:48	6794ms	2 NS 1 A 1 MX	🔒 Secure	View