red-center.dk DNS records

🖥️ Nameservers4 records 63ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.83	3600s	linux205.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	redcenter-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 52.101.68.3 52.101.68.5 52.101.73.153 52.101.73.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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	93.191.156.83

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 131ms

TXT Record
6266dbf3600040dba2bcec41dbf7db3a
af537ff2e6a1464cb22be217887e3a55
apple-domain-verification=wvJzepAaOqskNjOT
ms32478887
v=spf1 ip4:194.19.221.49 ip4:91.144.228.56 a:asmtp.dynadohosting.io include:spf.protection.outlook.com ip4:185.158.61.121 -all

✉️ SPF

Policy	Record (red-center.dk)
-all (hard fail)	v=spf1 ip4:194.19.221.49 ip4:91.144.228.56 a:asmtp.dynadohosting.io include:spf.protection.outlook.com ip4:185.158.61.121 -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)

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026012800
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

63ms

A

61ms

MX

36ms

AAAA

51ms

TXT

131ms

CAA

45ms

HTTPS

54ms

TLSA

312ms

SOA

0ms

MTA-STS

62ms

DNSSEC

83ms

SRV

69ms

Total

836ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:57:00	836ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 19:03:17	2172ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 17:24:25	782ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 10:23:42	921ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:36:02	812ms	4 NS 1 A 1 MX	🔒 Secure	View