christiansen-ctl.dk DNS records

🖥️ Nameservers4 records 92ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.246	3600s	linux333.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	christiansenctl-dk03b.mail.protection.outlook.com	52.101.68.12 52.101.68.15 52.101.68.39 52.101.73.22	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.101.27.137
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 183ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 323ms

TXT Record
brevo-code:3176918ca18b30f554c98e9f527ba651
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf.brevo.com mx -all

✉️ SPF

Policy	Record (christiansen-ctl.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf.brevo.com mx -all

📨 DMARC

Policy	Record (_dmarc.christiansen-ctl.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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)

🔐 DNSSEC101ms

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

🏷️ SOA89ms

Field	Value
Serial	2025061901
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

92ms

A

42ms

MX

92ms

AAAA

71ms

TXT

323ms

CAA

93ms

HTTPS

94ms

TLSA

860ms

SOA

89ms

MTA-STS

100ms

DNSSEC

101ms

SRV

183ms

Total

1703ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 08:54:08	1703ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:40:44	2598ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:40:15	2714ms	4 NS 1 A 1 MX	🔒 Secure	View