require.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
hera.ns.cloudflare.com	108.162.192.162 172.64.32.162 173.245.58.162 2606:4700:50::adf5:3aa2 2803:f800:50::6ca2:c0a2 2a06:98c1:50::ac40:20a2	hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rex.ns.cloudflare.com	108.162.195.13 162.159.44.13 172.64.35.13 2606:4700:58::a29f:2c0d 2803:f800:50::6ca2:c30d 2a06:98c1:50::ac40:230d	rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com rex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.20.244.72	300s	176-20-244-72-dynamic.dk.customer.tdc.net	AS3292	—	—	—	—

📧 MX Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	require-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09::3 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.25 52.101.68.3 52.101.73.12	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.98.16.71
🔶 Autoconfig	176.20.244.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 299ms

TXT Record
MS=ms74627106
require.dk
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.require.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC170ms

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	2407485965
Primary NS (MNAME)	hera.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

61ms

A

60ms

MX

63ms

AAAA

47ms

TXT

299ms

CAA

51ms

HTTPS

47ms

TLSA

197ms

SOA

0ms

MTA-STS

54ms

DNSSEC

170ms

SRV

112ms

Total

801ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:58:24	911ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 00:28:34	9235ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 14:37:46	1648ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 10:21:57	3067ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-15 13:10:11	1253ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 00:49:31	801ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 20:27:14	1864ms	2 NS 1 A 1 MX	🔓 Insecure	View