cia-byg.dk

Records from scan: 2026-10-09 12:29:47 · 1341ms total · last checked 2026-10-16 04:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cia-byg.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 17 August 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.164.169 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by ciabyg-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.169	7200s	server7169.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ciabyg-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::8 52.101.181.156 52.101.185.24 52.101.68.12 52.101.73.123	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 52.98.149.152
🔶 Autoconfig	5.186.164.169

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 398ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cia-byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cia-byg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 12:29:47

www	5.186.164.169 (AS44869) (address records, no CNAME)
www vs bare domain	Same network cia-byg.dk: 5.186.164.169 (AS44869) www.cia-byg.dk: 5.186.164.169 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2018010224
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 09:13:36

Field	Value
Registrar	INTERNET 123 ApS
Registered	2009-08-17
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

54ms

46ms

AAAA

51ms

TXT

398ms

CAA

44ms

HTTPS

53ms

TLSA

598ms

SOA

61ms

MTA-STS

81ms

DNSSEC

64ms

SRV

123ms

Total

1341ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:29:47 shown	1341ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 07:21:09	1101ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-17 19:12:46	10094ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 11:11:11	7992ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:32:43	1117ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:45:53	635ms	3 NS 1 A 1 MX	🔒 Secure