celarsenbyg.dk

Records from scan: 2026-10-03 16:34:12 · 990ms total · last checked 2026-10-16 07:05 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celarsenbyg.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 12 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.175 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by celarsenbyg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.175	3600s	vm1484.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	celarsenbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca48::e 52.101.68.12 52.101.73.155 52.101.91.153 52.101.91.159	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 111ms

TXT Record
MS=ms50534516
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (celarsenbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -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

🧩 Web & zone#

checked 2026-10-11 00:14:00

www	185.21.40.175 (AS48854) (address records, no CNAME)
www vs bare domain	Same network celarsenbyg.dk: 185.21.40.175 (AS48854) www.celarsenbyg.dk: 185.21.40.175 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2026031902
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 13:30:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-11-12
Expires	2026-11-30 (44d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

26ms

34ms

AAAA

23ms

TXT

111ms

CAA

34ms

HTTPS

47ms

TLSA

642ms

SOA

26ms

MTA-STS

52ms

DNSSEC

56ms

SRV

61ms

Total

990ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 16:34:12 shown	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:24:54	604ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:34:21	763ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 19:05:46	1133ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:04:05	1034ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:28:44	45020ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:03:24	1705ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:02:54	874ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:00:21	707ms	2 NS 1 A 1 MX	🔒 Secure