gregdmd.com - dns.ninja

`gregdmd.com`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`mxa.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`v=spf1 include:mailgun.org ~all`
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1436005681

`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=1785143782

Same first word

gregdmd.com

DNS History

28 records (14 active, 14 former)

●NSns1.dnsimple-edge.com2026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

○NSns1.dnsimple.com2015-05-18 → 2017-04-10 · 3 obs

● 2015-05-18 13:55:44
● 2017-04-10 17:48:52
○ 2026-07-27 09:34:36

○NSns1a.dnsimple.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 13:55:44
○ 2015-10-12 15:34:22
○ 2026-07-27 09:34:36

●NSns2.dnsimple-edge.net2026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

○NSns2.dnsimple.com2015-05-18 → 2017-04-10 · 3 obs

● 2015-05-18 13:55:44
● 2017-04-10 17:48:52
○ 2026-07-27 09:34:36

○NSns2a.dnsimple.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 13:55:44
○ 2015-10-12 15:34:22
○ 2026-07-27 09:34:36

●NSns3.dnsimple-edge.io2026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

○NSns3.dnsimple.com2015-05-18 → 2017-04-10 · 3 obs

● 2015-05-18 13:55:44
● 2017-04-10 17:48:52
○ 2026-07-27 09:34:36

○NSns3a.dnsimple.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 13:55:44
○ 2015-10-12 15:34:22
○ 2026-07-27 09:34:36

●NSns4.dnsimple-edge.org2026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

○NSns4.dnsimple.com2015-05-18 → 2017-04-10 · 3 obs

● 2015-05-18 13:55:44
● 2017-04-10 17:48:52
○ 2026-07-27 09:34:36

○NSns4a.dnsimple.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 13:55:44
○ 2015-10-12 15:34:22
○ 2026-07-27 09:34:36

●MXmxa.mailgun.org2015-05-18 → 2026-07-27 · 2 obs

● 2015-05-18 13:55:44
● 2026-07-27 09:34:36

●MXmxb.mailgun.org2015-05-18 → 2026-07-27 · 2 obs

● 2015-05-18 13:55:44
● 2026-07-27 09:34:36

○A151.101.36.1332016-06-24 → 2017-04-10 · 4 obs

○ 2016-01-25 06:10:24
● 2016-06-24 21:21:18
● 2017-04-10 17:48:52
○ 2026-07-27 09:34:36

●A185.199.108.1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A185.199.109.1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A185.199.110.1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A185.199.111.1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

○A199.27.74.1332015-05-18 → 2015-05-18 · 2 obs

● 2015-05-18 13:55:44
○ 2026-07-27 09:34:36

○A199.27.75.1332015-05-18 → 2015-05-18 · 2 obs

● 2015-05-18 13:55:44
○ 2026-07-27 09:34:36

○A199.27.76.1332015-10-30 → 2015-10-30 · 4 obs

○ 2015-10-12 15:34:22
● 2015-10-30 14:32:48
○ 2016-01-25 06:10:24
○ 2026-07-27 09:34:36

○A23.235.43.1332015-05-18 → 2016-01-25 · 6 obs

● 2015-05-18 13:55:44
○ 2015-10-12 15:34:22
○ 2015-10-30 14:32:48
● 2016-01-25 06:10:24
○ 2016-06-24 21:21:18
○ 2026-07-27 09:34:36

○A23.235.44.1332015-10-12 → 2015-10-12 · 4 obs

○ 2015-05-18 13:55:44
● 2015-10-12 15:34:22
○ 2015-10-30 14:32:48
○ 2026-07-27 09:34:36

●A2606:50c0:8000::1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A2606:50c0:8001::1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A2606:50c0:8002::1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

●A2606:50c0:8003::1532026-07-27 → 2026-07-27 · 2 obs

○ 2017-04-10 17:48:52
● 2026-07-27 09:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
gregdmd.com	ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com	2 records

✅ Authoritative Response

Server:199.247.154.53

NS records: ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gregdmd.com (unsigned zone)

⏱️ Timing

Total: 814ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`
AAAA	4	`2606:50c0:8000::153, 2606:50c0:8001::153...`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	1	`v=spf1 include:mailgun.org ~all`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dnsimple-edge.com, ns1.dnsimple-edge.com)

Analysis

IP Addresses

gregdmd.com directs to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Two other host names, along with www.aserg-ufmg.github.io, furieth.github.io and 15jgreceberseunome.shop, also share IP numbers with gregdmd.com.

Name Servers

The NS records for gregdmd.com point to four name servers: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

The name servers of gregdmd.com overlap at least partially with those of other domains — among them gmedrano.com, practicesights.org, 2supabase.ai and two more.

These name servers commonly appear alongside the name servers ns1.dnsimple.com and ns3.dnsimple.com.

Each of the four hosts ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org has two IP addresses. ns1.dnsimple-edge.com points to 199.247.152.53 and 2620:111:8004::53. ns3.dnsimple-edge.io points to 199.247.154.53 and 2620:111:8006::53. ns2.dnsimple-edge.net points to 199.247.153.53 and 2620:111:8005::53. ns4.dnsimple-edge.org points to 199.247.155.53 and 2620:111:8007::53.

Mail Servers

gregdmd.com is served by two mail servers, mxa.mailgun.org and mxb.mailgun.org.

Among the domains sharing a mail server setup with gregdmd.com are mathismotomart.com, stephennewbury.com, autobmd.ai and two others.

There is at least a partial MX overlap between gregdmd.com and other domains, including dekeuzevandebrouwer.be, syncworks.com, betvip.com and two others.

Both mxa.mailgun.org and mxb.mailgun.org have a single IP address each — mxa.mailgun.org resolves to 34.149.254.5 while mxb.mailgun.org resolves to 34.36.182.139.