kalk.dk

📜 Historical scan 2026-06-25 07:21:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalk.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 24 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.251 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by kalk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

5 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.251	300s	vps2.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kalk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 52.101.68.0 52.101.68.18 52.101.68.32 52.101.68.39	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.154.152
🔶 Autoconfig	5.22.145.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 217ms

TXT Record
MS=ms99620318
v=spf1 ip4:77.247.73.0/24 ip4:178.20.217.249 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (kalk.dk)
-all (hard fail)	v=spf1 ip4:77.247.73.0/24 ip4:178.20.217.249 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.kalk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:abuse@kalk.dk; ruf=mailto:abuse@kalk.dk; fo=1; pct=100

📬 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 2026-10-15 00:12:53

www	185.130.190.66 (AS210939) (address records, no CNAME)
www vs bare domain	Same network kalk.dk: 185.130.190.66 (AS210939) www.kalk.dk: 185.130.190.66 (AS210939)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-kalk-dk._domainkey.kalk.y-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	2025050502
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-02 04:19:03

Field	Value
Registrar	Key-Systems GmbH
Registered	1997-11-24
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

46ms

37ms

AAAA

38ms

TXT

217ms

CAA

51ms

HTTPS

35ms

TLSA

266ms

SOA

49ms

MTA-STS

77ms

DNSSEC

105ms

SRV

89ms

Total

1130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 03:42:22	1989ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-02 03:40:44	903ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-01 03:36:05	1202ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-29 00:21:46	3377ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-25 23:14:54	1032ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-28 00:47:42	2918ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-02 18:40:38	10075ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-25 07:21:51 shown	1130ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:10:59	1199ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:35:29	2163ms	5 NS 1 A 1 MX	🔓 Insecure