calcon.dk

Records from scan: 2026-10-01 04:20:49 · 1437ms total · last checked 2026-10-24 16:06 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

calcon.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was registered on 21 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.37.83 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by calcon-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsserver.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.dnsserver.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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.37.83	10800s	—	AS3308	Norlys Telco A/S	193.8.36.0/23	🇩🇰 Denmark	Ølstykke

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	calcon-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::c 2a01:111:f403:ca04::c 2a01:111:f403:ca3c::a 52.101.103.36 52.101.185.24 52.101.73.155 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 70ms

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

📝 TXT Records#

1 records 194ms

TXT Record
v=spf1 a include:spf.protection.outlook.com ip4:176.20.44.255 -all

✉️ SPF#

Policy	Record (calcon.dk)
-all (hard fail)	v=spf1 a include:spf.protection.outlook.com ip4:176.20.44.255 -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#

checked 2026-10-17 02:24:31

www	193.8.37.83 (AS3308) (address records, no CNAME)
www vs bare domain	Same network calcon.dk: 193.8.37.83 (AS3308) www.calcon.dk: 193.8.37.83 (AS3308)
Wildcard	No
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026010501
Primary NS (MNAME)	ns1.dnsserver.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-22 15:34:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-05-21
Expires	2027-05-31 (218d)

🔗 Same registrant#

2 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).

Domain	Registrar
ejerskiftehjaelpen.dk	Simply.com A/S
ejerskiftehjælpen.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

53ms

58ms

67ms

AAAA

44ms

TXT

194ms

CAA

54ms

HTTPS

54ms

TLSA

696ms

SOA

37ms

MTA-STS

75ms

DNSSEC

104ms

SRV

70ms

Total

1437ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:20:49 shown	1437ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:17:58	984ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:39:50	780ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:55:49	700ms	2 NS 1 A 1 MX	🔒 Secure