`biotech-online.com`

DNSSEC	⚠️ Not signed
A	23.88.17.248^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
		PTR	`static.248.17.88.23.clients.your-server.de`
NS	`ns1.euhosting.com` ⭐ ⚠️ Not in parent delegation
		A	144.202.37.2^{🇺🇸 AS-VULTR144.202.32.0/20 Vultr Assigned Prefix}
			PTR	`ns1.reliablehost.net`
NS	`ns1.reliablehost.net` ⚠️ Not in zone NS records
		A	144.202.37.2^{🇺🇸 AS-VULTR144.202.32.0/20 Vultr Assigned Prefix}
			PTR	`ns1.reliablehost.net`
NS	`ns2.euhosting.com` ⚠️ Not in parent delegation
		A	95.179.133.144^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`ns2.reliablehost.net`
NS	`ns2.reliablehost.net` ⚠️ Not in zone NS records
		A	95.179.133.144^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`ns2.reliablehost.net`
SOA	`ns1.euhosting.com`root@core1.euhosting.com 2026-08-12 #2

`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=1786520964

MX for

biotech-online.com

Subdomains

www.biotech-online.com

Same first word

biotech-online.com

DNS History

13 records (5 active, 8 former)

○NSns.net4all-dns.com2015-06-28 → 2016-04-16 · 4 obs

● 2015-06-28 15:57:58
● 2016-04-16 19:36:06
○ 2016-11-26 15:47:46
○ 2026-08-12 08:16:26

●NSns1.euhosting.com2026-02-17 → 2026-08-12 · 3 obs

○ 2016-11-26 15:47:46
● 2026-02-17 10:33:54
● 2026-08-12 08:16:26

●NSns1.reliablehost.net2026-02-17 → 2026-08-12 · 3 obs

○ 2016-11-26 15:47:46
● 2026-02-17 10:33:54
● 2026-08-12 08:16:26

○NSns1.webhoston.com2016-11-26 → 2016-11-26 · 4 obs

○ 2016-04-16 19:36:06
● 2016-11-26 15:47:46
○ 2026-02-17 10:33:54
○ 2026-08-12 08:16:26

●NSns2.euhosting.com2026-02-17 → 2026-08-12 · 3 obs

○ 2016-11-26 15:47:46
● 2026-02-17 10:33:54
● 2026-08-12 08:16:26

○NSns2.net4all-dns.com2015-06-28 → 2016-04-16 · 4 obs

● 2015-06-28 15:57:58
● 2016-04-16 19:36:06
○ 2016-11-26 15:47:46
○ 2026-08-12 08:16:26

●NSns2.reliablehost.net2026-02-17 → 2026-08-12 · 3 obs

○ 2016-11-26 15:47:46
● 2026-02-17 10:33:54
● 2026-08-12 08:16:26

○NSns2.webhoston.com2016-11-26 → 2016-11-26 · 4 obs

○ 2016-04-16 19:36:06
● 2016-11-26 15:47:46
○ 2026-02-17 10:33:54
○ 2026-08-12 08:16:26

○MXbiotech-online.com2016-11-26 → 2026-03-20 · 4 obs

○ 2016-04-16 19:36:06
● 2016-11-26 15:47:46
● 2026-03-20 19:40:00
○ 2026-08-12 08:16:26

○MXmail.biotech-online.com2015-06-28 → 2016-04-16 · 4 obs

● 2015-06-28 15:57:58
● 2016-04-16 19:36:06
○ 2016-11-26 15:47:46
○ 2026-08-12 08:16:26

●A23.88.17.2482026-02-17 → 2026-08-12 · 3 obs

○ 2016-11-26 15:47:46
● 2026-02-17 10:33:54
● 2026-08-12 08:16:26

○A80.80.228.382015-06-28 → 2016-04-16 · 4 obs

● 2015-06-28 15:57:58
● 2016-04-16 19:36:06
○ 2016-11-26 15:47:46
○ 2026-08-12 08:16:26

○A91.134.173.2492016-11-26 → 2016-11-26 · 4 obs

○ 2016-04-16 19:36:06
● 2016-11-26 15:47:46
○ 2026-02-17 10:33:54
○ 2026-08-12 08:16:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
biotech-online.com	ns1.reliablehost.net, ns2.reliablehost.net	-

✅ Authoritative Response

Server:95.179.133.144

NS records: ns1.reliablehost.net, ns2.reliablehost.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biotech-online.com (unsigned zone)

⏱️ Timing

Total: 3391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.88.17.248`
SOA	1	`ns1.euhosting.com root.core1.euhosting.c`

Analysis

Hierarchy

biotech-online.com is the parent zone for www.biotech-online.com.

Mail Server Role

biotech-online.com is listed as a mail server for itself.

IP Addresses

biotech-online.com resolves to one IP address: 23.88.17.248.

recycledsoftware.com, static.248.17.88.23.clients.your-server.de, autohipnosis.net and two other host names share IP numbers with biotech-online.com.

Name Servers

The authoritative name servers for biotech-online.com are ns1.euhosting.com, ns2.euhosting.com, ns1.reliablehost.net and ns2.reliablehost.net.

biotech-online.com partially shares its NS delegation with several other domains, including eotoworld.org, complyport.com.cy, zywyn.com and two others.

These name servers regularly co-occur with the name servers ns1.behosted.com, ns2.behosted.com and ns123.idcloudhosting.com.

Host names ns1.euhosting.com, ns2.euhosting.com, ns1.reliablehost.net and ns2.reliablehost.net each have one IP address. Notably, ns1.euhosting.com and ns1.reliablehost.net resolve to the same address 144.202.37.2, and ns2.euhosting.com and ns2.reliablehost.net resolve to the same address 95.179.133.144.

ns1.euhosting.com and ns1.reliablehost.net are host names that each point to 144.202.37.2 IP addresses.

ns2.euhosting.com and ns2.reliablehost.net are host names that each point to 95.179.133.144 IP addresses.

biotech-online.com - robtex.com