caltech.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.loopia.se	2a02:250:ffff::20 93.188.0.20	ns1.loopia.se ns1.loopia.se	AS39570 Loopia AB AS39570 Loopia AB
ns2.loopia.se	185.71.156.20 2a02:250:fffe::20	ns2.loopia.se ns2.loopia.se	AS215836 Loopia AB AS215836 Loopia AB

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.189.41.129	3600s	webframe.ballou.se	AS29024	Hostek AB	91.189.40.0/21	🇸🇪 Sweden	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	caltech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::6 2a01:111:f403:ca48::c 52.101.103.137 52.101.68.16 52.101.68.18 52.101.73.22	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.8
🔶 Autoconfig	91.189.41.129

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 315ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:send.heyloyalty.com include:spf.bedrock.lime-technologies.com -all

✉️ SPF

Policy	Record (caltech.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org include:send.heyloyalty.com include:spf.bedrock.lime-technologies.com -all

📨 DMARC

Policy	Record (_dmarc.caltech.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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)

🔐 DNSSEC112ms

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	1787788800
Primary NS (MNAME)	ns1.loopia.se
Responsible (RNAME)	registry@loopia.se
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

35ms

MX

45ms

AAAA

40ms

TXT

315ms

CAA

43ms

HTTPS

34ms

TLSA

904ms

SOA

0ms

MTA-STS

95ms

DNSSEC

112ms

SRV

130ms

Total

1566ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:20:58	1566ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 12:09:02	11052ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 19:07:57	1988ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 12:38:59	4700ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-05 19:46:33	1710ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 12:42:52	2242ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 18:53:49	1675ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 18:40:05	8977ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 11:47:38	1786ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 04:38:07	1471ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 19:42:39	849ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 09:12:29	958ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 18:55:14	764ms	2 NS 1 A 1 MX	🔓 Insecure	View