31557701.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
aryanna.ns.cloudflare.com	108.162.194.95 162.159.38.95 172.64.34.95 2606:4700:50::a29f:265f 2803:f800:50::6ca2:c25f 2a06:98c1:50::ac40:225f	aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com	108.162.193.221 172.64.33.221 173.245.59.221 2606:4700:58::adf5:3bdd 2803:f800:50::6ca2:c1dd 2a06:98c1:50::ac40:21dd	peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.115	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	31557701-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.103.140 52.101.73.153 52.101.73.22 52.101.73.28	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56
🔶 Autoconfig	104.21.55.99

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3763	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9373	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.99,172.67.147.115 ech=AEX+DQBB3QAgACANZZD4/H2thbBLnTNJyLm3eCjbGOLeQewG9SHS5P4HDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3763,2606:4700:3035::ac43:9373

🔌 SRV Records1 records 73ms

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

📝 TXT Records2 records 216ms

TXT Record
MS=ms97191736
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (31557701.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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)

🔐 DNSSEC81ms

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	2412893120
Primary NS (MNAME)	aryanna.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

54ms

A

39ms

MX

40ms

AAAA

46ms

TXT

216ms

CAA

49ms

HTTPS

53ms

TLSA

320ms

SOA

0ms

MTA-STS

74ms

DNSSEC

81ms

SRV

73ms

Total

1008ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:22:45	1008ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 19:30:44	3903ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 15:10:25	2137ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-29 17:10:29	2571ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 03:25:18	2338ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:55:13	1646ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:52:31	1527ms	2 NS 2 A 1 MX	🔓 Insecure	View