kalktech.dk DNS records

🖥️ Nameservers3 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	—	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	142.250.150.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 64.233.161.26 64.233.161.27 64.233.162.26 64.233.162.27	la-in-f27.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	—	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 234ms

TXT Record
google-site-verification=o0tYhNA5H8NZhNG1V-aYNq-A6rEekQDUUisU8-Co8Jc
v=spf1 include:shops.shopify.com include:spf.simply.com include:_spf.herodesk-mails.io ~all

✉️ SPF

Policy	Record (kalktech.dk)
~all (soft fail)	v=spf1 include:shops.shopify.com include:spf.simply.com include:_spf.herodesk-mails.io ~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

🔗 TLSA / DANE

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

🔐 DNSSEC140ms

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

🏷️ SOA63ms

Field	Value
Serial	2026050601
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

67ms

A

66ms

MX

41ms

AAAA

42ms

TXT

234ms

CAA

43ms

HTTPS

64ms

TLSA

844ms

SOA

63ms

MTA-STS

116ms

DNSSEC

140ms

SRV

245ms

Total

1588ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-27 17:21:31	2094ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 16:35:39	664ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 16:11:55	2068ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 08:19:35	1588ms	3 NS 1 A 1 MX	🔓 Insecure	View