`biesterfeldpolybass.com`

DNSSEC	⚠️ Not signed
A	91.227.98.70^{🇩🇪 BIT-SERV91.227.98.0/23 GmbH Germany}
		PTR	`rev70.biesterfeld.com`
NS	`dns2.technorail.com` ⭐
		A	2a00:6d42:3:2096::f:1^{🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns2.technorail.com`
		A	95.110.136.8^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`dns2.technorail.com`
NS	`dns.technorail.com`
		A	2a00:6d40:2:2082::f:1^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns.technorail.com`
		A	94.177.210.13^{🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network}
			PTR	`dns.technorail.com`
NS	`dns3.arubadns.net`
		A	2a00:6d41:3:206e::f:1^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns3.arubadns.net`
		A	95.110.220.5^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`dns3.arubadns.net`
NS	`dns4.arubadns.cz`
		A	2001:15e8:104:4::d8ee^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`dns4.arubadns.cz`
		A	81.2.216.238^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`dns4.arubadns.cz`
MX	`biesterfeldpolybass-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`atlassian-domain-verification=VbYonlhhBMyvUG2m5BYhnUe2GnV7xsbMLQayTmSbKbhI+Ir...`
TXT	`MS=ms63679276`
TXT	`v=spf1 mx include:_spf.aruba.it ip4:185.89.228.130 exists:%{i}.spf.hc318-95.e...`
TXT	`cisco-ci-domain-verification=7718ddc34dd0c4d30b4e43baf8d1c1f05b86f1608396a3b9...`
SOA	`dns.technorail.com`hostmaster@biesterfeldpolybass.com 2025-02-24 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774622412

Subdomains

vmail.biesterfeldpolybass.com

Same first word

biesterfeldpolybass.com

DNS History

15 records (6 active, 9 former)

○NSdns.atcservice.it2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:19:28
○ 2015-10-26 10:25:58
○ 2026-03-27 14:59:42

○NSdns.atcservice.net2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:19:28
○ 2015-10-26 10:25:58
○ 2026-03-27 14:59:42

●NSdns.technorail.com2026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

○NSdns2.atcservice.it2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:19:28
○ 2015-10-26 10:25:58
○ 2026-03-27 14:59:42

●NSdns2.technorail.com2026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

●NSdns3.arubadns.net2026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

●NSdns4.arubadns.cz2026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

○NSns25.domaincontrol.com2015-10-26 → 2017-05-23 · 5 obs

○ 2015-06-14 18:19:28
● 2015-10-26 10:25:58
● 2017-05-23 00:12:32
○ 2026-03-27 14:59:40
○ 2026-03-27 14:59:42

○NSns26.domaincontrol.com2015-10-26 → 2017-05-23 · 5 obs

○ 2015-06-14 18:19:28
● 2015-10-26 10:25:58
● 2017-05-23 00:12:32
○ 2026-03-27 14:59:40
○ 2026-03-27 14:59:42

●MXbiesterfeldpolybass-com.mail.protection.outlook.com2026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

○MXvmail.biesterfeldpolybass.com2015-06-14 → 2017-05-23 · 4 obs

● 2015-06-14 18:19:28
● 2017-05-23 00:12:32
○ 2026-03-27 14:59:40
○ 2026-03-27 14:59:42

○MXvmail2.biesterfeldpolybass.com2017-05-23 → 2017-05-23 · 4 obs

○ 2015-06-14 18:19:28
● 2017-05-23 00:12:32
○ 2026-03-27 14:59:40
○ 2026-03-27 14:59:42

○A184.168.221.492015-10-26 → 2017-05-23 · 5 obs

○ 2015-06-14 18:19:28
● 2015-10-26 10:25:58
● 2017-05-23 00:12:32
○ 2026-03-27 14:59:40
○ 2026-03-27 14:59:42

○A195.246.192.22015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:19:28
○ 2015-10-26 10:25:58
○ 2026-03-27 14:59:42

●A91.227.98.702026-03-27 → 2026-03-27 · 3 obs

○ 2017-05-23 00:12:32
● 2026-03-27 14:59:40
● 2026-03-27 14:59:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
biesterfeldpolybass.com	dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net	4 records

✅ Authoritative Response

Server:94.177.210.13

NS records: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biesterfeldpolybass.com (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.227.98.70`
NS	4	`dns2.technorail.com, dns.technorail.com...`
MX	1	`biesterfeldpolybass-com.mail.protection.`
TXT	4	`MS=ms63679276, v=spf1 mx include:_spf.aruba.it ip4:185....`
SOA	1	`dns.technorail.com hostmaster.biesterfel`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)

Analysis

Hierarchy

The parent of vmail.biesterfeldpolybass.com is biesterfeldpolybass.com.

IP Addresses

biesterfeldpolybass.com points to IP number: 91.227.98.70.

Other host names for instance biesterfeldus.com, www.biesterfeld.com, biesterfeldpolychem.com and www.biesterfeld-international.com share IP numbers with biesterfeldpolybass.com.

Name Servers

biesterfeldpolybass.com is delegated to four name servers: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

biesterfeldpolybass.com at least partially shares name servers with other domains, for instance ciprianistudio.com, balsamel.it, teknoimmobiliare.it, nicolaciardellionlus.it and likelygift.com.

Host names with two IP numbers: dns2.technorail.com points to 2a00:6d42:3:2096::f:1 and 95.110.136.8; dns.technorail.com points to 2a00:6d40:2:2082::f:1 and 94.177.210.13; dns4.arubadns.cz points to 2001:15e8:104:4::d8ee and 81.2.216.238; dns3.arubadns.net points to 2a00:6d41:3:206e::f:1 and 95.110.220.5.

Mail Servers

biesterfeldpolybass.com is handled by a single mail server, biesterfeldpolybass-com.mail.protection.outlook.com.

Host name biesterfeldpolybass-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::7, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::c, 52.101.73.8, 52.101.73.12, 52.101.73.15 and 52.101.73.19.

biesterfeldpolybass.com - robtex.com