rsm-teknik.dk DNS records

🖥️ Nameservers4 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ascio.com	212.123.32.97 2604:4000:8000:d:212:123:32:97	ns1.ascio.com ns1.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns2.ascio.com	212.123.35.97 2604:4000:8000:d:212:123:35:97	ns2.ascio.com ns2.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns3.ascio.com	2604:4000:2800:2000:64:98:148:145 64.98.148.145	ns3.ascio.com ns3.ascio.com	AS32491 Tucows.com Co. AS32491 Tucows.com Co.
ns4.ascio.com	216.40.47.209 2604:4000:0:d:216:40:47:209	ns4.ascio.com ns4.ascio.com	AS15348 Tucows.com Co. AS15348 Tucows.com Co.

🌍 A Records1 records 186ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.112	300s	prolinux102.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 190ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rsmteknik-dk0i.mail.eo.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 52.101.73.11 52.101.73.12 52.101.73.2 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40
🔶 Autoconfig	185.21.42.112

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 388ms

TXT Record
v=spf1 include:outlook.com include:spf.curanet.dk ~all

✉️ SPF

Policy	Record (rsm-teknik.dk)
~all (soft fail)	v=spf1 include:outlook.com include:spf.curanet.dk ~all

📨 DMARC

Policy	Record (_dmarc.rsm-teknik.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC99ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1718801966
Primary NS (MNAME)	ns1.ascio.com
Responsible (RNAME)	ascio@onlineplus.dk
Refresh	3600s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

186ms

MX

190ms

AAAA

52ms

TXT

388ms

CAA

160ms

HTTPS

68ms

TLSA

4033ms

SOA

0ms

MTA-STS

168ms

DNSSEC

99ms

SRV

179ms

Total

4917ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 02:28:43	4917ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 16:14:12	3910ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 09:02:24	6864ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 23:10:37	1201ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:57:32	5117ms	4 NS 1 A 1 MX	🔓 Insecure	View