systemslab.dk DNS records

🖥️ Nameservers4 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-cloud-e1.googledomains.com	2001:4860:4802:32::6e 216.239.32.110	ns-cloud-e1.googledomains.com ns-cloud-e1.googledomains.com	AS15169 Google LLC AS15169 Google LLC
ns-cloud-e2.googledomains.com	2001:4860:4802:34::6e 216.239.34.110	ns-cloud-e2.googledomains.com ns-cloud-e2.googledomains.com	AS15169 Google LLC AS15169 Google LLC
ns-cloud-e3.googledomains.com	2001:4860:4802:36::6e 216.239.36.110	ns-cloud-e3.googledomains.com ns-cloud-e3.googledomains.com	AS15169 Google LLC AS15169 Google LLC
ns-cloud-e4.googledomains.com	2001:4860:4802:38::6e 216.239.38.110	ns-cloud-e4.googledomains.com ns-cloud-e4.googledomains.com	AS15169 Google LLC AS15169 Google LLC

🌍 A Records2 records 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
151.101.1.195	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—
151.101.65.195	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—

📧 MX Records2 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	systemslab-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 2a01:111:f403:ca09::e 52.101.68.0 52.101.68.10 52.101.73.4 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.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
32767	3600s	ms53849369.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 195ms

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

📝 TXT Records3 records 388ms

TXT Record
google-site-verification=W5A4dRLXi3Gm60n1IePeEJb0rH7Sr_4b8UFQjCZ-BD4
MS=ms53849369
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.systemslab.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@mcg.dk; ruf=mailto:dmarc-reports@mcg.dk; fo=1;

📬 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)

🔐 DNSSEC231ms

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

🏷️ SOA76ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-cloud-e1.googledomains.com
Responsible (RNAME)	cloud-dns-hostmaster@google.com
Refresh	21600s
Retry	3600s
Expire	259200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

74ms

A

88ms

MX

95ms

AAAA

87ms

TXT

388ms

CAA

70ms

HTTPS

96ms

TLSA

299ms

SOA

76ms

MTA-STS

117ms

DNSSEC

231ms

SRV

195ms

Total

1520ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:07:49	3207ms	4 NS 2 A 2 MX	🔓 Insecure	View
2026-06-30 01:59:14	1393ms	4 NS 2 A 2 MX	🔓 Insecure	View
2026-06-25 03:50:57	1143ms	4 NS 2 A 2 MX	🔓 Insecure	View
2026-06-23 04:09:45	1172ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 18:58:20	1520ms	4 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 21:46:49	1264ms	4 NS 2 A 2 MX	🔓 Insecure	View