systematic.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
rajeev.ns.cloudflare.com	108.162.193.224 172.64.33.224 173.245.59.224 2606:4700:58::adf5:3be0 2803:f800:50::6ca2:c1e0 2a06:98c1:50::ac40:21e0	rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
selah.ns.cloudflare.com	108.162.194.21 162.159.38.21 172.64.34.21 2606:4700:50::a29f:2615 2803:f800:50::6ca2:c215 2a06:98c1:50::ac40:2215	selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.155.211	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	systematic-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca09::8 2a01:111:f403:ca09::a 52.101.68.8 52.101.73.123 52.101.73.15 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am9pr04cu00107.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

🔷 AAAA Records (IPv6)2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:9bd3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:40cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.205,172.67.155.211 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9bd3,2606:4700:3035::6815:40cd

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC102ms

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	2413371029
Primary NS (MNAME)	rajeev.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

28ms

A

32ms

MX

32ms

AAAA

29ms

TXT

136ms

CAA

35ms

HTTPS

26ms

TLSA

878ms

SOA

0ms

MTA-STS

41ms

DNSSEC

102ms

SRV

50ms

Total

1475ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:50:26	1475ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 10:41:37	1468ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 09:34:50	1089ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 09:28:48	5238ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-17 03:46:25	11369ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-13 00:57:25	2499ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 19:48:23	2172ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 23:24:35	3065ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 02:17:59	1116ms	2 NS 2 A 1 MX	🔓 Insecure	View