`b-byg.dk`

DNSSEC	⚠️ Not signed
A	46.183.138.100^{🇩🇰 SENTIA46.183.138.0/24}
NS	`ns1.gigahost.dk` ⭐
		A	46.183.139.31^{🇩🇰 SENTIA46.183.139.0/24}
NS	`ns2.gigahost.dk`
		A	46.183.139.222^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`web22.gigahost.dk`
NS	`ns3.gigahost.dk`
		A	71.19.249.71^{🇨🇦 ESECUREDATACOM-171.19.249.0/24 eSecureData.com Inc.}
			PTR	`ns3.gigahost.dk`
NS	`ns4.gigahost.dk`
		A	51.79.215.130^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`ns4.gigahost.dk`
NS	`ns5.gigahost.dk`
		A	77.74.192.83^{🇬🇧 UKSERVERS-AS77.74.192.0/21 UK Dedicated Servers Limited}
			PTR	`ns5.gigahost.dk`
MX	`bbyg-dk0c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`MS=ms84544308`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.gigahost.dk`hostmaster@b-byg.dk 2026-05-07 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1778379841localtime Sun May 10 04:24:01 2026gmtime Sun Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778379841

Subdomains

webmaster.b-byg.dk

Same first word

b-byg.dk

DNS History

9 records (7 active, 2 former)

●NSns1.gigahost.dk2015-06-05 → 2026-05-10 · 2 obs

● 2015-06-05 18:56:22
● 2026-05-10 02:54:44

●NSns2.gigahost.dk2015-06-05 → 2026-05-10 · 2 obs

● 2015-06-05 18:56:22
● 2026-05-10 02:54:44

●NSns3.gigahost.dk2015-06-05 → 2026-05-10 · 2 obs

● 2015-06-05 18:56:22
● 2026-05-10 02:54:44

●NSns4.gigahost.dk2015-06-05 → 2026-05-10 · 2 obs

● 2015-06-05 18:56:22
● 2026-05-10 02:54:44

●NSns5.gigahost.dk2015-06-05 → 2026-05-10 · 2 obs

● 2015-06-05 18:56:22
● 2026-05-10 02:54:44

●MXbbyg-dk0c.mail.protection.outlook.com2016-09-13 → 2026-05-10 · 3 obs

○ 2016-07-21 13:41:06
● 2016-09-13 01:12:22
● 2026-05-10 02:54:44

○MXexmx.tdcwebmore.dk2015-06-05 → 2016-07-21 · 4 obs

● 2015-06-05 18:56:22
● 2016-07-21 13:41:06
○ 2016-09-13 01:12:22
○ 2026-05-10 02:54:44

○A217.116.232.2192015-06-05 → 2018-10-21 · 4 obs

● 2015-06-05 18:56:22
● 2018-10-21 12:51:16
○ 2026-02-25 16:35:56
○ 2026-05-10 02:54:44

●A46.183.138.1002026-02-25 → 2026-05-10 · 3 obs

○ 2018-10-21 12:51:16
● 2026-02-25 16:35:56
● 2026-05-10 02:54:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, c.nic.dk, l.nic.dk...	-
b-byg.dk	ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk...	5 records

✅ Authoritative Response

Server:46.183.139.222

NS records: ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk, ns5.gigahost.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-byg.dk (unsigned zone)

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.183.138.100`
NS	5	`ns3.gigahost.dk, ns1.gigahost.dk...`
MX	1	`bbyg-dk0c.mail.protection.outlook.com (p`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms84544308`
SOA	1	`ns1.gigahost.dk hostmaster.b-byg.dk`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk...)

Analysis

Hierarchy

b-byg.dk is a parent of webmaster.b-byg.dk.

IP Addresses

b-byg.dk points to a single IP address: 46.183.138.100.

Other host names such as band.dk, ce.dk, ipoint.dk, mcode.dk and kmfoto.dk share IP numbers with b-byg.dk.

Name Servers

b-byg.dk is delegated to five name servers: ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk and ns5.gigahost.dk.

At least part of the name servers for b-byg.dk are shared with other domains, for instance goodweb.dk, rikkemoos.com, proffdata.dk, miparaiso.dk and asta-ottine.dk.