crc-tech.dk

Records from scan: 2026-10-09 10:47:40 · 1487ms total · last checked 2026-10-16 23:58 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crc-tech.dk is a .dk domain served by 2 nameservers (violet.ns.cloudflare.com, yoxall.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.244.116 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by crctech-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 44ms

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 Records#

1 records 41ms

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 Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	crctech-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 2a01:111:f403:ca48::10 52.101.209.31 52.101.73.145 52.101.91.153 52.101.91.159	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 81ms

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

📝 TXT Records#

4 records 267ms

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

🧩 Web & zone#

checked 2026-10-09 10:47:40

www	81.95.244.116 (AS48854) (address records, no CNAME)
www vs bare domain	Same network crc-tech.dk: 81.95.244.116 (AS48854) www.crc-tech.dk: 81.95.244.116 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-crctech-dk0i._domainkey.hicondk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

209ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2416861662
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

41ms

54ms

AAAA

40ms

TXT

267ms

CAA

49ms

HTTPS

60ms

TLSA

623ms

SOA

29ms

MTA-STS

61ms

DNSSEC

209ms

SRV

81ms

Total

1487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:47:40 shown	1487ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 10:33:32	1367ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 05:49:17	1450ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 02:31:15	1922ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 08:01:38	1114ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:20:19	1382ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 19:13:03	25546ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 01:19:15	9227ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 00:38:25	2343ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 02:34:37	4047ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 20:38:06	1325ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 08:10:56	1616ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:51:13	717ms	2 NS 1 A 1 MX	🔒 Secure