`amdg.com`

DNSSEC	⚠️ Not signed
NS	`master.dns.erols.net` ⭐
		A	207.172.3.5^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`master.dns.rcn.net`
NS	`auth1.dns.rcn.net` ⚠️ Not in zone NS records
		A	2610:80:0:102::44^{🇺🇸 RCN-AS2610:80:0:102::/64}
		A	2610:80:0:10e::20^{🇺🇸 RCN-AS2610:80:0:10e::/64}
		A	66.44.1.44^{🇺🇸 RCN-AS66.44.1.32/28}
		A	207.172.3.20^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth1.dns.rcn.net`
NS	`auth2.dns.rcn.net` ⚠️ Not in zone NS records
		A	2610:80:0:100::17^{🇺🇸 RCN-AS2610:80:0:100::/64}
			PTR	`auth2.dns.rcn.net`
		A	2610:80:0:101::120^{🇺🇸 RCN-AS2610:80:0:101::/64}
		A	207.172.11.14^{🇺🇸 RCN-AS207.172.11.0/26}
			PTR	`auth2.dns.rcn.net`
		A	207.237.14.120^{🇺🇸 RCN-AS207.237.14.112/28}
NS	`auth3.dns.rcn.net` ⚠️ Not in zone NS records
		A	2610:80:0:10e::21^{🇺🇸 RCN-AS2610:80:0:10e::/64}
		A	2610:80:80::153^{🇺🇸 RCN-AS2610:80:80::/64}
		A	207.96.3.153^{🇺🇸 RCN-AS207.96.3.0/24 RCN-BLK-1 ANY RCN Corporation 196 Van Buren Street Herndon, VA 20170 US}
		A	207.172.3.21^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth3.dns.rcn.net`
NS	`auth4.dns.rcn.net` ⚠️ Not in zone NS records
		A	2610:80:0:103::9^{🇺🇸 RCN-AS2610:80:0:103::/64}
		A	2610:80:0:10e::22^{🇺🇸 RCN-AS2610:80:0:10e::/64}
		A	24.155.96.100^{🇺🇸 GRANDE24.155.0.0/16 Grande Communications Networks, Inc. 401 Carlson Circle San Marcos, TX 78666 USA}
			PTR	`24-155-96-100.static.grandenetworks.net`
		A	207.172.3.22^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth4.dns.rcn.net`
		A	208.59.89.9^{🇺🇸 RCN-AS208.59.89.0/28}
NS	`domain01.dns.erols.net` ⚠️ Not in parent delegation
		A	207.172.3.20^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth1.dns.rcn.net`
NS	`domain02.dns.erols.net` ⚠️ Not in parent delegation
		A	207.172.3.21^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth3.dns.rcn.net`
NS	`offsite01.dns.erols.net` ⚠️ Not in parent delegation
		A	207.172.3.22^{🇺🇸 RCN-AS207.172.0.0/16 RCN-BLK-2 RCN Corporation 650 College Road East Suite 3100 Princeton, NJ 08540 US}
			PTR	`auth4.dns.rcn.net`
SOA	`master.dns.erols.net`hostmaster@erols.net 1997-11-30 #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=1786009974

Same first word

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amdg.ru

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amdg.by

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amdg.com

amdg.com.pl

amdg.co.kr

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dgma.de

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madg.agency

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dmga.org

admg.fr

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dmag.space

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agmd.at

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dmag.myshopify.com

admg.de

dgam.kr

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mdag.ch

mdga.co.za

damg.org

admg.live

gmad.es

mgda.cn

magd.co.uk

dmag.org

gmad.dev

dmga.net

admg.net

dgma.eu

adgm.cl

mgda.com

agdm.cn

dmag.com.hk

dagm.de

magd.org.uk

gmad.ru

amgd.net

agmd.de

dmag.hu

gdma.es

dmag.bg

dgam.org

mdga.de

gdam.de

dmga.co.uk

admg.eu

dmag.eu

madg.com

gdma.nl

gmda.de

amgd.co.il

agdm.tv

mgad.net

amgd.org

gmda.ca

gdam.co.uk

gdam.ru

gadm.org

amgd.ru

gdma.eu

gdma.gov.ng

agdm.nl

dagm.me

mgad.ru

amgd.de

dmag.cn

admg.co.jp

amgd.ie

damg.ru

DNS History

8 records (8 active, 0 former)

●NSauth1.dns.rcn.net2026-06-28 → 2026-08-06 · 3 obs

○ 2015-09-03 09:46:26
● 2026-06-28 19:17:40
● 2026-08-06 10:03:24

●NSauth2.dns.rcn.net2026-06-28 → 2026-08-06 · 3 obs

○ 2015-09-03 09:46:26
● 2026-06-28 19:17:40
● 2026-08-06 10:03:24

●NSauth3.dns.rcn.net2026-06-28 → 2026-08-06 · 3 obs

○ 2015-09-03 09:46:26
● 2026-06-28 19:17:40
● 2026-08-06 10:03:24

●NSauth4.dns.rcn.net2026-06-28 → 2026-08-06 · 3 obs

○ 2015-09-03 09:46:26
● 2026-06-28 19:17:40
● 2026-08-06 10:03:24

●NSdomain01.dns.erols.net2015-09-03 → 2026-08-06 · 3 obs

○ 2008-11-02 21:59:14
● 2015-09-03 09:46:26
● 2026-08-06 10:03:24

●NSdomain02.dns.erols.net2015-09-03 → 2026-08-06 · 3 obs

○ 2008-11-02 21:59:14
● 2015-09-03 09:46:26
● 2026-08-06 10:03:24

●NSmaster.dns.erols.net2015-09-03 → 2026-08-06 · 3 obs

○ 2008-11-02 21:59:14
● 2015-09-03 09:46:26
● 2026-08-06 10:03:24

●NSoffsite01.dns.erols.net2015-09-03 → 2026-08-06 · 3 obs

○ 2008-11-02 21:59:14
● 2015-09-03 09:46:26
● 2026-08-06 10:03:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
amdg.com	auth3.dns.rcn.net, auth1.dns.rcn.net, auth2.dns.rcn.net, auth4.dns.rcn.net	-

✅ Authoritative Response

Server:207.172.3.21

NS records: auth3.dns.rcn.net, auth1.dns.rcn.net, auth2.dns.rcn.net, auth4.dns.rcn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for amdg.com (unsigned zone)

⏱️ Timing

Total: 1552ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`domain01.dns.erols.net, domain02.dns.erols.net...`
SOA	1	`master.dns.erols.net hostmaster.erols.ne`

Analysis

Name Servers

amdg.com has 8 name servers — domain01.dns.erols.net, domain02.dns.erols.net, master.dns.erols.net and 5 others.

The name servers of amdg.com overlap at least partially with those of other domains — among them 125.58.208.in-addr.arpa, 18.172.207.in-addr.arpa, lnh-nmex.md.cable.rcn.com and two more.

These name servers commonly appear in delegations together with auth1.dns.rcn.net, auth2.dns.rcn.net, auth3.dns.rcn.net and 3 other.

Host names directing to five IP addresses:

auth4.dns.rcn.net has four IP addresses — 24.155.96.100, 207.172.3.22, 208.59.89.9 and two others.

Host names that resolve to four IP numbers:

auth1.dns.rcn.net resolves to 66.44.1.44, 207.172.3.20, 2610:80:0:102::44 and 2610:80:0:10e::20.

auth2.dns.rcn.net resolves to 207.172.11.14, 207.237.14.120, 2610:80:0:100::17 and 2610:80:0:101::120.

auth3.dns.rcn.net resolves to 207.96.3.153, 207.172.3.21, 2610:80:0:10e::21 and 2610:80:80::153.

Host names that point to one IP address:

domain01.dns.erols.net resolves to 207.172.3.20.

domain02.dns.erols.net resolves to 207.172.3.21.

master.dns.erols.net resolves to 207.172.3.5.

offsite01.dns.erols.net resolves to 207.172.3.22.