alcon-construction.dk

📜 Historical scan 2026-06-27 00:18:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alcon-construction.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.155 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by alconconstruction-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 210ms

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#

1 records 244ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.155	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 229ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alconconstruction-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 52.101.73.12 52.101.73.22 52.101.73.6 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 248ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:db:38e8:fdfc:43f8	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 468ms

TXT Record
MS=ms28738809
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (alcon-construction.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.alcon-construction.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@alcon-construction.dk

📬 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 2026-10-13 06:52:55

www	46.30.213.155 2a02:2350:5:10c:db:38e8:fdfc:43f8 (AS51468) (address records, no CNAME)
www vs bare domain	Same network alcon-construction.dk: 46.30.213.155 2a02:2350:5:10c:db:38e8:fdfc:43f8 (AS51468) www.alcon-construction.dk: 46.30.213.155 2a02:2350:5:10c:db:38e8:fdfc:43f8 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
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#

323ms

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

🏷️ SOA#

234ms

Field	Value
Serial	2026061405
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 00:13:03

Field	Value
Registrar	ONE.COM A/S
Registered	2023-06-05
Expires	2027-06-04 (229d)

📋 WHOIS#

⏱️ Lookup Timing#

210ms

244ms

229ms

AAAA

248ms

TXT

468ms

CAA

222ms

HTTPS

200ms

TLSA

323ms

SOA

234ms

MTA-STS

259ms

DNSSEC

323ms

SRV

256ms

Total

2005ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:52:55	1080ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 23:54:01	1451ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:17:58	769ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 10:17:45	1294ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 13:53:10	1335ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 04:00:30	878ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 08:49:08	1265ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 06:17:05	808ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 08:07:57	6548ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 17:30:23	9172ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 20:48:41	17014ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-02 23:30:08	1026ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:18:13 shown	2005ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:36:36	837ms	2 NS 1 A 1 MX	🔒 Secure