constructionsolution.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records

🌍

No A records found

📧 MX Records2 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
20	600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 85ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	0	443	exch.httpscan.dk

📝 TXT Records2 records 216ms

TXT Record
google-site-verification=UzSm3mpN1am3GzxyAIP7puZBmjc050aBVP7b6wlF_vc
v=spf1 include:spf.httpscan.dk -all

✉️ SPF

Policy	Record (constructionsolution.dk)
-all (hard fail)	v=spf1 include:spf.httpscan.dk -all

📨 DMARC

Policy	Record (_dmarc.constructionsolution.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:administrator@httpscan.dk; 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 / DANE2 records 52ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC105ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA77ms

Field	Value
Serial	2026051602
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

35ms

MX

36ms

AAAA

35ms

TXT

216ms

CAA

73ms

HTTPS

70ms

TLSA

52ms

SOA

77ms

MTA-STS

90ms

DNSSEC

105ms

SRV

85ms

Total

696ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:33:06	779ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-23 14:20:40	4976ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-14 16:19:07	5948ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-17 19:01:33	852ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-27 20:52:49	662ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-27 05:19:52	748ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-21 15:37:08	521ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 04:29:36	912ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-19 10:45:23	696ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-16 22:06:02	651ms	2 NS 0 A 2 MX	🔒 Secure	View