`doctror1.com`

DNSSEC	⚠️ Not signed
A	216.250.120.134^{🇺🇸 IONOS-AS216.250.112.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`perfora.net`
NS	`ns1021.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5015:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.de`
		A	217.160.80.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.de`
NS	`ns1021.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5115:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.biz`
		A	217.160.81.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.biz`
NS	`ns1021.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5215:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.com`
		A	217.160.82.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.com`
NS	`ns1021.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5315:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
		A	217.160.83.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1021.ui-dns.de`hostmaster@1and1.com 2016-06-16 #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=1771291435

Same first word

doctror1.com

DNS History

12 records (7 active, 5 former)

●NSns1021.ui-dns.biz2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

●NSns1021.ui-dns.com2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

●NSns1021.ui-dns.de2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

●NSns1021.ui-dns.org2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

○NSns57.1and1.com2015-08-16 → 2017-05-24 · 4 obs

● 2015-08-16 15:26:12
● 2017-05-24 18:48:26
○ 2026-03-05 09:03:52
○ 2026-03-23 21:11:56

○NSns58.1and1.com2015-08-16 → 2017-05-24 · 4 obs

● 2015-08-16 15:26:12
● 2017-05-24 18:48:26
○ 2026-03-05 09:03:52
○ 2026-03-23 21:11:56

○MXmx00.1and1.com2015-08-16 → 2017-05-24 · 4 obs

● 2015-08-16 15:26:12
● 2017-05-24 18:48:26
○ 2026-03-05 09:03:52
○ 2026-03-23 21:11:56

●MXmx00.ionos.com2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

○MXmx01.1and1.com2015-08-16 → 2017-05-24 · 4 obs

● 2015-08-16 15:26:12
● 2017-05-24 18:48:26
○ 2026-03-05 09:03:52
○ 2026-03-23 21:11:56

●MXmx01.ionos.com2026-03-05 → 2026-03-23 · 3 obs

○ 2017-05-24 18:48:26
● 2026-03-05 09:03:52
● 2026-03-23 21:11:56

●A216.250.120.1342016-09-26 → 2026-03-23 · 3 obs

○ 2016-04-04 23:30:56
● 2016-09-26 06:56:32
● 2026-03-23 21:11:56

○A74.208.3.1932015-08-16 → 2016-04-04 · 4 obs

● 2015-08-16 15:26:12
● 2016-04-04 23:30:56
○ 2016-09-26 06:56:32
○ 2026-03-23 21:11:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
doctror1.com	ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.org, ns1021.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.21

NS records: ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.org, ns1021.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctror1.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.250.120.134`
NS	4	`ns1021.ui-dns.de, ns1021.ui-dns.biz...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1021.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1021.ui-dns.com, ns1021.ui-dns.com)

Analysis

IP Addresses

doctror1.com points to an IP address: 216.250.120.134.

other host names include itduzntsuk.com, josephluca.com, thekolters.com, kristineoneill.com and lodging.us; they share IP numbers with doctror1.com.

Name Servers

doctror1.com delegates to four name servers: ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1021.ui-dns.de and ns1021.ui-dns.org.

doctror1.com at least partially shares name servers with other domains, for instance eurasie.info, innerian.com, obxcrafts.com, harryscocktails.com and ics-ar.com.

These name servers are commonly used with ns1058.ui-dns.com, ns1033.ui-dns.com, ns1105.ui-dns.de, ns1116.ui-dns.org, ns1057.ui-dns.biz and ns1114.ui-dns.biz.

Host names with two IP numbers: ns1021.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5115:100 and 217.160.81.21; ns1021.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5215:100 and 217.160.82.21; ns1021.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5015:100 and 217.160.80.21; ns1021.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5315:100 and 217.160.83.21.

Mail Servers

doctror1.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

doctror1.com uses the same mail server setup as other domains, for instance usaislam.org, kitdisplay.ae, pkturn.com, dianerose.com and hyalineservices.com.

Host names with one IP:

mx00.ionos.com points to: 74.208.5.3

mx01.ionos.com points to: 74.208.5.21

doctror1.com - robtex.com

doctror1.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`doctror1.com`

`com`