coshare.dk

📜 Historical scan 2026-06-24 11:21:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coshare.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.171 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by coshare-dk.mail.protection.outlook.com, mail.coshare.dk and 1 more. The zone is of unknown DNSSEC status, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.171	3600s	prolinux3.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

3 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coshare-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::20 52.101.68.29 52.101.68.8 52.101.73.26 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.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
10	3600s	mail.coshare.dk	185.21.42.102	director1.mf.curanet.dk	AS48854 team.blue Denmark A/S
20	3600s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	185.21.41.171

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 203ms

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

📝 TXT Records#

2 records 268ms

TXT Record
MS=ms84297752
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

latest probe, not this scan · checked 2026-09-30 20:03:24

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

187ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-17 21:26:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-02-22
Expires	2027-02-28 (132d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

43ms

44ms

73ms

AAAA

44ms

TXT

268ms

CAA

63ms

HTTPS

83ms

TLSA

167ms

SOA

95ms

MTA-STS

64ms

DNSSEC

187ms

SRV

203ms

Total

1009ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 19:17:04	2386ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-23 18:07:28	845ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-26 23:35:47	1214ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-24 11:50:15	4184ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-24 11:21:11 shown	1009ms	2 NS 1 A 3 MX	❓ Unknown
2026-06-20 01:13:34	1269ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 22:43:26	3516ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 22:30:10	984ms	2 NS 1 A 3 MX	🔒 Secure