kalk.dk DNS records

🖥️ Nameservers5 records 52ms

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 AS207021 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 AS207021 ipcom GmbH

🌍 A Records1 records 68ms

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 Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kalk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::2 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 52.101.209.153 52.101.73.11 52.101.73.2 52.101.73.28	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56
🔶 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 Records2 records 288ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC2064ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

68ms

MX

57ms

AAAA

65ms

TXT

288ms

CAA

74ms

HTTPS

48ms

TLSA

364ms

SOA

0ms

MTA-STS

104ms

DNSSEC

2064ms

SRV

106ms

Total

2918ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:47:42	2918ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 18:40:38	10075ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 07:21:51	1130ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 15:10:59	1199ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:35:29	2163ms	5 NS 1 A 1 MX	🔓 Insecure	View