`hostnamedomain.com`

DNSSEC	⚠️ Not signed
A	148.251.42.81^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
		PTR	`static.81.42.251.148.clients.your-server.de`
NS	`dens1.hostnamedomain.com` ⭐
		A	2a01:4f8:201:926f:49d9::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	148.251.42.81^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`static.81.42.251.148.clients.your-server.de`
NS	`dens2.hostnamedomain.com`
		A	2a01:4f8:201:926f:49d9::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	148.251.42.81^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`static.81.42.251.148.clients.your-server.de`
MX	`hostnamedomain.com` ⭐
		A	148.251.42.81^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`static.81.42.251.148.clients.your-server.de`
SOA	`dens1.hostnamedomain.com`alireza_sawari@yahoo.com 2026-03-08 #1

`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=1785279042

MX for

hostnamedomain.com

Subdomains

dens1.hostnamedomain.com

irns1.hostnamedomain.com

dens2.hostnamedomain.com

irns2.hostnamedomain.com

Same first word

hostnamedomain.com

Similar names

domainnamehost.net

DNS History

10 records (4 active, 6 former)

●NSdens1.hostnamedomain.com2026-03-22 → 2026-07-28 · 3 obs

○ 2017-03-21 09:03:42
● 2026-03-22 15:40:14
● 2026-07-28 23:01:02

●NSdens2.hostnamedomain.com2026-03-22 → 2026-07-28 · 3 obs

○ 2017-03-21 09:03:42
● 2026-03-22 15:40:14
● 2026-07-28 23:01:02

○NSns.inmotionhosting.com2015-07-05 → 2016-04-27 · 4 obs

● 2015-07-05 16:27:14
● 2016-04-27 11:11:26
○ 2017-03-21 09:03:42
○ 2026-07-28 23:01:02

○NSns1.hostseo.org2017-03-21 → 2017-03-21 · 4 obs

○ 2016-04-27 11:11:26
● 2017-03-21 09:03:42
○ 2026-03-22 15:40:14
○ 2026-07-28 23:01:02

○NSns2.hostseo.org2017-03-21 → 2017-03-21 · 4 obs

○ 2016-04-27 11:11:26
● 2017-03-21 09:03:42
○ 2026-03-22 15:40:14
○ 2026-07-28 23:01:02

○NSns2.inmotionhosting.com2015-07-05 → 2016-04-27 · 4 obs

● 2015-07-05 16:27:14
● 2016-04-27 11:11:26
○ 2017-03-21 09:03:42
○ 2026-07-28 23:01:02

●MXhostnamedomain.com2015-07-05 → 2026-07-28 · 2 obs

● 2015-07-05 16:27:14
● 2026-07-28 23:01:02

●A148.251.42.812026-03-22 → 2026-07-28 · 3 obs

○ 2017-03-21 09:03:42
● 2026-03-22 15:40:14
● 2026-07-28 23:01:02

○A206.212.243.2182015-07-05 → 2016-04-27 · 4 obs

● 2015-07-05 16:27:14
● 2016-04-27 11:11:26
○ 2017-03-21 09:03:42
○ 2026-07-28 23:01:02

○A206.212.244.422017-03-21 → 2017-03-21 · 4 obs

○ 2016-04-27 11:11:26
● 2017-03-21 09:03:42
○ 2026-03-22 15:40:14
○ 2026-07-28 23:01:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
hostnamedomain.com	dens1.hostnamedomain.com, dens2.hostnamedomain.com	2 records

✅ Authoritative Response

Server:148.251.42.81

NS records: dens1.hostnamedomain.com, dens2.hostnamedomain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hostnamedomain.com (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`148.251.42.81`
NS	2	`dens1.hostnamedomain.com, dens2.hostnamedomain.com`
MX	1	`hostnamedomain.com (pri: 0)`
SOA	1	`dens1.hostnamedomain.com alireza_sawari.`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dens1.hostnamedomain.com, dens2.hostnamedomain.com)

Analysis

Hierarchy

hostnamedomain.com is the parent domain of dens1.hostnamedomain.com, irns1.hostnamedomain.com, dens2.hostnamedomain.com and irns2.hostnamedomain.com.

Mail Server Role

hostnamedomain.com serves as a mail server for hostnamedomain.com.

IP Addresses

hostnamedomain.com has exactly one IP address — 148.251.42.81.

dens1.hostnamedomain.com, dens2.dyarhost.com, dens1.dyarhost.com plus two other host names have IP numbers in common with hostnamedomain.com.

Name Servers

hostnamedomain.com uses two name servers for its delegation: dens1.hostnamedomain.com and dens2.hostnamedomain.com.

hostnamedomain.com uses the same name servers as other domains — dyarhost.ir being one example.

hostnamedomain.com shares at least some of its name servers with domains including dens1.hostnamedomain.com, dens2.hostnamedomain.com and dyarhost.com

dens1.hostnamedomain.com and dens2.hostnamedomain.com share the same two IP addresses — 148.251.42.81 and 2a01:4f8:201:926f:49d9::1.

Both dens1.hostnamedomain.com and dens2.hostnamedomain.com resolve to 2a01:4f8:201:926f:49d9::1 IP addresses each.

Both dens1.hostnamedomain.com and dens2.hostnamedomain.com resolve to 148.251.42.81 IP addresses each.

Mail Servers

hostnamedomain.com uses exactly one mail server, which is hostnamedomain.com.

hostnamedomain.com directs to just one IP number, 148.251.42.81.

hostnamedomain.com - robtex.com