100daysofpython.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`100daysofpython.dev`

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.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.com`
		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	`inbound-smtp.eu-central-1.amazonaws.com` ⭐
		A	3.78.71.215^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-78-71-215.eu-central-1.compute.amazonaws.com`
		A	3.78.135.165^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-78-135-165.eu-central-1.compute.amazonaws.com`
		A	3.78.140.108^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-78-140-108.eu-central-1.compute.amazonaws.com`
TXT	`google-site-verification=7D3q2g1GcwaNOwEVJuRn6469GX2nHTZcDnzuFjv-pzk`
TXT	`v=spf1 include:amazonses.com -all`
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1603970470

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

100daysofpython.dev

Previous names

Next names

DNS History

13 records (13 active, 0 former)

●NSns1.dnsimple.com2026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●NSns2.dnsimple-edge.net2026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●NSns3.dnsimple.com2026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●NSns4.dnsimple-edge.org2026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●MXinbound-smtp.eu-central-1.amazonaws.com2026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A185.199.108.1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A185.199.109.1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A185.199.110.1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A185.199.111.1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A2606:50c0:8000::1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A2606:50c0:8001::1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A2606:50c0:8002::1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

●A2606:50c0:8003::1532026-09-01 → 2026-10-12 · 2 obs

● 2026-09-01 01:38:40
● 2026-10-12 20:34:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
100daysofpython.dev	ns1.dnsimple.com, ns4.dnsimple-edge.org, ns3.dnsimple.com, ns2.dnsimple-edge.net	-

✅ Authoritative Response

Server:199.247.154.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 100daysofpython.dev (unsigned zone)

⏱️ Timing

Total: 1156ms | 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.com, ns2.dnsimple-edge.net...`
MX	1	`inbound-smtp.eu-central-1.amazonaws.com`
TXT	2	`google-site-verification=7D3q2g1GcwaNOwE, v=spf1 include:amazonses.com -all`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

Analysis

IP Addresses

100daysofpython.dev points to 8 IP addresses, including 185.199.108.153, 185.199.109.153 and 185.199.110.153, plus 5 other.

skuma.wiki, woonn.cn, spinel.coop plus two other host names have IP numbers in common with 100daysofpython.dev.

Name Servers

Four name servers handle the delegation for 100daysofpython.dev: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

At least some of 100daysofpython.dev's name servers are shared with other domains, for example squirrelsclubgolf.com, webdesiignmechanicdigital.com, gettropolisgreatlakesnow.com and two more.

These name servers are often deployed together with the name servers ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple.com and ns4.dnsimple.com.

Four hostnames, each resolving to a pair of IP addresses: ns1.dnsimple.com directs to 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple.com directs to 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net directs to 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org directs to 199.247.155.53 and 2620:111:8007::53.

Mail Servers

100daysofpython.dev uses one mail server — inbound-smtp.eu-central-1.amazonaws.com.

The mail server setup of 100daysofpython.dev matches that of other domains such as goodquestion.social, atmanyoga.org, hausperfekt-mobile.com and two others.

At least some of the mail servers used by 100daysofpython.dev are shared with other domains: mail.crm.ondemand.com, ktrweb.de, cardess.services and two others among them.

inbound-smtp.eu-central-1.amazonaws.com resolves to a set of three IP numbers: 3.78.71.215, 3.78.135.165 and 3.78.140.108.