costech.dk DNS records

🖥️ Nameservers2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-fi.elisa.net	193.229.0.49 2001:671:1::20	ns-fi.elisa.net ns-fi.elisa.net	AS719 Elisa Oyj AS719 Elisa Oyj
ns-se.elisa.net	2001:671:1::40 62.248.254.2	ns-se.elisa.net ns-se.elisa.net	AS719 Elisa Oyj AS719 Elisa Oyj

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.151.5.1	3600s	vs-dip-5-1.rid20.zonevs.eu	AS49604	Zone Media OU	45.151.4.0/22	🇪🇪 Estonia	—

📧 MX Records1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	costech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::8 52.101.68.36 52.101.73.1 52.101.73.2 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 118ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 366ms

TXT Record
1password-site-verification=H7XA5MTH2NEKNISNVFF22YYG2I
v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.comendosystems.com include:emsd1.com ip4:46.36.211.197 ip4:91.235.232.0/24 -all

✉️ SPF

Policy	Record (costech.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.comendosystems.com include:emsd1.com ip4:46.36.211.197 ip4:91.235.232.0/24 -all

📨 DMARC

Policy	Record (_dmarc.costech.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua@costech.dk,mailto:dmarc_agg@vali.email; ruf=mailto:ruf@costech.dk; fo=1;

📬 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)

🔐 DNSSEC102ms

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

🏷️ SOA78ms

Field	Value
Serial	2025022412
Primary NS (MNAME)	ns-fi.elisa.net
Responsible (RNAME)	hostmaster@elisa.fi
Refresh	3600s
Retry	900s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

63ms

A

70ms

MX

82ms

AAAA

80ms

TXT

366ms

CAA

77ms

HTTPS

80ms

TLSA

522ms

SOA

78ms

MTA-STS

89ms

DNSSEC

102ms

SRV

118ms

Total

1332ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 20:08:08	1332ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 22:14:04	1581ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 09:08:03	1184ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-20 17:35:06	839ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 01:48:56	6933ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 22:36:03	804ms	2 NS 1 A 1 MX	🔓 Insecure	View