crucon.dk DNS records

🖥️ Nameservers4 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	crucon-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::7 2a01:111:f403:ca38::8 2a01:111:f403:ca48::8 52.101.209.28 52.101.68.10 52.101.68.36 52.101.73.24	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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	93.191.156.114

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 163ms

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

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2020072990
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

47ms

MX

48ms

AAAA

39ms

TXT

163ms

CAA

51ms

HTTPS

38ms

TLSA

757ms

SOA

0ms

MTA-STS

50ms

DNSSEC

100ms

SRV

60ms

Total

1315ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 22:00:35	1315ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 03:11:22	938ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 21:28:33	704ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:32:24	2635ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:52:26	711ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 21:42:27	913ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:52:18	65535ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:08:44	863ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:02:40	1860ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:01:00	857ms	4 NS 1 A 1 MX	🔒 Secure	View