tdsolution.dk DNS records

🖥️ Nameservers4 records 206ms

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 206ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.79	3600s	linux203.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 208ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tdsolution-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.39 52.101.68.8 52.101.73.15 52.101.73.24	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.101.112.73
🔶 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 158ms

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

📝 TXT Records2 records 480ms

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

✉️ SPF

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

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

📨 DMARC

Policy	Record (_dmarc.tdsolution.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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)

🔐 DNSSEC372ms

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

🏷️ SOA208ms

Field	Value
Serial	2025042300
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

206ms

A

206ms

MX

208ms

AAAA

206ms

TXT

480ms

CAA

200ms

HTTPS

209ms

TLSA

176ms

SOA

208ms

MTA-STS

94ms

DNSSEC

372ms

SRV

158ms

Total

967ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:11:53	1224ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 09:27:56	1225ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 04:04:32	2366ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:23:24	817ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:01:54	929ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 16:07:16	894ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 15:08:50	1163ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 21:45:54	1751ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:53:56	967ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:04:47	861ms	4 NS 1 A 1 MX	🔒 Secure	View