crc-tech.dk DNS records

🖥️ Nameservers2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
violet.ns.cloudflare.com	108.162.192.237 172.64.32.237 173.245.58.237 2606:4700:50::adf5:3aed 2803:f800:50::6ca2:c0ed 2a06:98c1:50::ac40:20ed	violet.ns.cloudflare.com violet.ns.cloudflare.com violet.ns.cloudflare.com violet.ns.cloudflare.com violet.ns.cloudflare.com violet.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yoxall.ns.cloudflare.com	108.162.195.47 162.159.44.47 172.64.35.47 2606:4700:58::a29f:2c2f 2803:f800:50::6ca2:c32f 2a06:98c1:50::ac40:232f	yoxall.ns.cloudflare.com yoxall.ns.cloudflare.com yoxall.ns.cloudflare.com yoxall.ns.cloudflare.com yoxall.ns.cloudflare.com yoxall.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.244.116	300s	—	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	crctech-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 52.101.68.10 52.101.68.18 52.101.68.25 52.101.68.32	mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 86ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 172ms

TXT Record
MS=ms62180624
pRNHkHn92wBQVIgCxwnA2AMzZNgvUiDT9kKhTHyTZY4nJPpzeDkWgvQo1Inh1zqDqXUayYfGArBErlKQ8tOUEA==
v=spf1 ~all
v=spf1 include:spf.protection.outlook.com include:_spf.staysecuregroup.com -all

✉️ SPF

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

Policy	Record (crc-tech.dk)
~all (soft fail)	v=spf1 ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.staysecuregroup.com -all

📨 DMARC

Policy	Record (_dmarc.crc-tech.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:itsupport@hi-con.dk

📬 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)

🔐 DNSSEC119ms

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

🏷️ SOA0ms

Field	Value
Serial	2408567255
Primary NS (MNAME)	violet.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

43ms

MX

60ms

AAAA

40ms

TXT

172ms

CAA

38ms

HTTPS

49ms

TLSA

210ms

SOA

0ms

MTA-STS

60ms

DNSSEC

119ms

SRV

86ms

Total

1325ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:20:19	1382ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 19:13:03	25546ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:19:15	9227ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 00:38:25	2343ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 02:34:37	4047ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:38:06	1325ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 08:10:56	1616ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:51:13	717ms	2 NS 1 A 1 MX	🔒 Secure	View