mathready.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.248.243.5	—	a16e665f42988324c.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	13.248.0.0/14	🇺🇸 United States	—
76.223.105.230	—	a16e665f42988324c.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	76.223.0.0/17	🇺🇸 United States	—

📧 MX Records3 records 36ms

TTL	Mail Server	IP addresses	PTR	ASN
—	mx1-usg2.ppe-hosted.com	98.85.123.215	mx1-usg2.ppe-hosted.com	AS14618 Amazon.com, Inc.
—	mx2-usg2.ppe-hosted.com	23.21.114.81	mx2-usg2.ppe-hosted.com	AS14618 Amazon.com, Inc.
—	mx3-usg2.ppe-hosted.com	34.231.165.252	mx3-usg2.ppe-hosted.com	AS14618 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.62.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 117ms

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

📝 TXT Records4 records 434ms

TXT Record
google-site-verification=39RJAMWsxbpB_CbKADnOvV1eb1fupj3R2J7CUR_qXe8
google-site-verification=C6K1t1Fc_NXL1BABBan0lHBIvUSRgeo5yqni1NchSYk
NETORG20503426.onmicrosoft.com
v=spf1 include:spf.em.secureserver.net include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all

✉️ SPF

Policy	Record (mathready.dk)
~all (soft fail)	v=spf1 include:spf.em.secureserver.net include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all

📨 DMARC

Policy	Record (_dmarc.mathready.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_rua@onsecureserver.net

📬 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)

🔐 DNSSEC104ms

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

🏷️ SOA38ms

Field	Value
Serial	2026050503
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

38ms

MX

36ms

AAAA

39ms

TXT

434ms

CAA

38ms

HTTPS

34ms

TLSA

2065ms

SOA

38ms

MTA-STS

67ms

DNSSEC

104ms

SRV

117ms

Total

3141ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 16:33:56	1045ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 20:06:13	2713ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-21 22:22:51	2810ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-21 11:22:27	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:15:30	940ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-18 00:36:07	3141ms	2 NS 2 A 3 MX	🔓 Insecure	View