co3.dk
Last scanned: 2026-08-25 13:32:16  ·  10026ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers6 records   72ms
NameserverIP addressesPTRASN / ISP
ns10.digicertdns.com 208.94.148.159
2600:1800::1:1f		 ns10.digicertdns.com
ns10.digicertdns.com		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
ns11.digicertdns.com 208.80.124.159
2600:1801:1::1:1f		 ns11.digicertdns.com
ns11.digicertdns.com		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
ns12.digicertdns.com 208.80.126.159
2600:1802:2::1:1f		 ns12.digicertdns.com
ns12.digicertdns.com		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
ns13.digicertdns.net 208.80.125.159
2600:1801:3::1:1f		 ns13.digicertdns.net
ns13.digicertdns.net		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
ns14.digicertdns.net 208.80.127.159
2600:1802:4::1:1f		 ns14.digicertdns.net
ns14.digicertdns.net		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
ns15.digicertdns.net 208.94.149.159
2600:1800:8::1:1f		 ns15.digicertdns.net
ns15.digicertdns.net		 AS16552 Tiggee LLC
AS16552 Tiggee LLC
🌍 A Records1 records   128ms
IPTTLPTRASNISP / OrgCIDRCountryCity
199.60.103.155 3600s — AS209242 Cloudflare London, LLC 199.60.103.0/24 🇺🇸 United States —
📧 MX Records1 records   118ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s co3-dk.mail.protection.outlook.com 2a01:111:f403:ca04::5
2a01:111:f403:ca04::d
2a01:111:f403:ca04::f
2a01:111:f403:ca09::c
52.101.68.12
52.101.73.12
52.101.73.19
52.101.73.22		 mail-db3pr0202cu00205.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-db7pr03cu00507.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-as8pr04cu00803.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
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.136
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   178ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records9 records   559ms
TXT Record
_globalsign-domain-verification=yTJ6XxRRO38i6qTJB812_bo6TExUf9HX7-a1I345uf
atlassian-domain-verification=JZVFvOHASSzV7Ia6LeXxP2pNDv3LChBMPrZR07WD3JMityq4a5rWFKrI2CI7ajfl
google-site-verification=1-uNiTsTCzJUBGBwM_MtB5q-nDFN-1KVfBJa5BOWWKM
google-site-verification=llnONK-z-W0mjjiANO0qD5CJgRJaiWXrOWF8wVOV98c
google-site-verification=ZABA64OcH70Dlyf2kcpyaP3G67xrUwbgdO1lb5sjbAQ
hubspot-developer-verification=MjMyZTVhYjEtNTdlYi00MTY3LWJmYzEtMGZmOGM4M2VkMTkx
MS=ms91430389
v=spf1 include:_spf.google.com include:_spf.wehost.dk include:mail.zendesk.com include:spf.protection.outlook.com include:acemdns.com include:app.sgizmo.com include:26250954.spf06.hubspotemail.net ip4:72.35.23.0/24 ip4:72.35.12.0/24 ip4:192.162.216.0/22 ip4:208.70.128.0/21 ip4:185.38.180.0/22 ip4:89.104.206.0/23 ip4:68.71.200.64/27 ip6:2a01:77c0:1180::/46 ip6:2a01:77c0:6::/47 ip6:2001:978:2a01::/48 ip6:2001:978:2a02::/48 ip4:79.136.102.64/26 ip4:94.136.64.224/27 ip4:83.140.31.128/26 ip4:213.136.34.128/26 ip4:91.236.209.128/26 ip4:185.37.140.0/26 ip6:2001:16d8:c001:2073::/64 ip6:2001:9b0:1:704::/64 ip4:185.51.78.140/30 ip4:185.99.120.0/22 ip4:185.150.198.82/31 ip4:185.163.188.0/22 ip4:194.9.86.0/23 ip6:2001:67c:27e0:2212::/64 ip6:2a04:7180:0:2400::/64 -all
WB=qWRDFldFJk2MLiXn0OCMlA
✉️ SPF
PolicyRecord (co3.dk)
-all (hard fail) v=spf1 include:_spf.google.com include:_spf.wehost.dk include:mail.zendesk.com include:spf.protection.outlook.com include:acemdns.com include:app.sgizmo.com include:26250954.spf06.hubspotemail.net ip4:72.35.23.0/24 ip4:72.35.12.0/24 ip4:192.162.216.0/22 ip4:208.70.128.0/21 ip4:185.38.180.0/22 ip4:89.104.206.0/23 ip4:68.71.200.64/27 ip6:2a01:77c0:1180::/46 ip6:2a01:77c0:6::/47 ip6:2001:978:2a01::/48 ip6:2001:978:2a02::/48 ip4:79.136.102.64/26 ip4:94.136.64.224/27 ip4:83.140.31.128/26 ip4:213.136.34.128/26 ip4:91.236.209.128/26 ip4:185.37.140.0/26 ip6:2001:16d8:c001:2073::/64 ip6:2001:9b0:1:704::/64 ip4:185.51.78.140/30 ip4:185.99.120.0/22 ip4:185.150.198.82/31 ip4:185.163.188.0/22 ip4:194.9.86.0/23 ip6:2001:67c:27e0:2212::/64 ip6:2a04:7180:0:2400::/64 -all
📨 DMARC
PolicyRecord (_dmarc.co3.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=r; aspf=r
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records4 records   50ms
FlagsTagValue
0 iodef mailto:admins@co3.dk
0 issue digicert.com
0 issue globalsign.com
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9086ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2009010161
Primary NS (MNAME)ns10.digicertdns.com
Responsible (RNAME)dns@digicertdns.com
Refresh43200s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)180s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
72ms
A
128ms
MX
118ms
AAAA
58ms
TXT
559ms
CAA
50ms
HTTPS
66ms
TLSA
308ms
SOA
0ms
MTA-STS
95ms
DNSSEC
9086ms
SRV
178ms
Total
10026ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 13:32:16 10026ms 6 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 08:35:51 1088ms 6 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 21:35:46 852ms 6 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone