resteel.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.159.92.205	3000s	ec2-54-159-92-205.compute-1.amazonaws.com	AS14618	Amazon.com, Inc.	54.156.0.0/14	🇺🇸 United States	Ashburn

📧 MX Records1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	resteel-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.24
🔶 Autoconfig	54.159.92.205

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 160ms

TXT Record
MS=ms37682915
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.resteel.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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)

🔐 DNSSEC115ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026072903
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

29ms

MX

87ms

AAAA

87ms

TXT

160ms

CAA

46ms

HTTPS

78ms

TLSA

745ms

SOA

0ms

MTA-STS

108ms

DNSSEC

115ms

SRV

89ms

Total

1444ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:09:43	1444ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 17:52:01	1172ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 14:58:08	679ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 10:25:29	713ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 10:14:43	727ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 09:57:15	788ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 09:51:37	713ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 08:52:24	3079ms	1 NS 0 A 0 MX	❓ Unknown	View