improgrammer.net - dns.ninja

`improgrammer.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:b96^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a65c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.150^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.92^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
NS	`terry.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terry.ns.cloudflare.com`
		A	108.162.193.237^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	172.64.33.237^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	173.245.59.237^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.150, 172.67.166.92
		IPv6 hints	2606:4700:3034::6815:b96, 2606:4700:3035::ac43:a65c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=21, name=cloudflare-ech.com
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2405185734

`net`

	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=1780978476

WOT: SAFE (73/100)

Previously MX for

improgrammer.net

Same first word

improgrammer.net

DNS History

24 records (8 active, 16 former)

○NSboyd.ns.cloudflare.com2017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

●NSdonna.ns.cloudflare.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
● 2026-06-09 04:24:40

○NSns8311.hostgator.com2015-07-02 → 2016-07-09 · 4 obs

● 2015-07-02 02:23:28
● 2016-07-09 10:30:48
○ 2017-02-20 01:03:52
○ 2026-06-09 04:24:40

○NSns8312.hostgator.com2015-07-02 → 2016-07-09 · 4 obs

● 2015-07-02 02:23:28
● 2016-07-09 10:30:48
○ 2017-02-20 01:03:52
○ 2026-06-09 04:24:40

●NSterry.ns.cloudflare.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
● 2026-06-09 04:24:40

○NStina.ns.cloudflare.com2017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

○MXdc-0cb37c639e72.improgrammer.net2017-08-15 → 2017-08-15 · 4 obs

○ 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

○MXdc-96581efa.improgrammer.net2017-02-20 → 2017-02-20 · 4 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
○ 2017-08-15 00:04:42
○ 2026-06-09 04:24:40

○MXimprogrammer.net2015-07-02 → 2016-07-09 · 4 obs

● 2015-07-02 02:23:28
● 2016-07-09 10:30:48
○ 2017-02-20 01:03:52
○ 2026-06-09 04:24:40

●MXmx1.improvmx.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
● 2026-06-09 04:24:40

●MXmx2.improvmx.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
● 2026-06-09 04:24:40

●A104.21.11.1502026-02-16 → 2026-06-09 · 5 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
○ 2026-02-16 04:07:22
● 2026-04-06 04:10:52
● 2026-06-09 04:24:40

○A104.27.154.162017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

○A104.27.155.162017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

○A108.167.140.1252015-07-02 → 2016-07-09 · 4 obs

● 2015-07-02 02:23:28
● 2016-07-09 10:30:48
○ 2017-02-20 01:03:52
○ 2026-06-09 04:24:40

●A172.67.166.922026-02-16 → 2026-06-09 · 5 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
○ 2026-02-16 04:07:22
● 2026-04-06 04:10:52
● 2026-06-09 04:24:40

○A188.114.96.02026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:02:00
● 2026-02-16 04:07:22
○ 2026-04-06 04:10:52
○ 2026-06-09 04:24:40

○A188.114.97.02026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:02:00
● 2026-02-16 04:07:22
○ 2026-04-06 04:10:52
○ 2026-06-09 04:24:40

○A2400:cb00:2048:1::681b:9a102017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

○A2400:cb00:2048:1::681b:9b102017-02-20 → 2017-08-15 · 5 obs

○ 2016-07-09 10:30:48
● 2017-02-20 01:03:52
● 2017-08-15 00:04:42
○ 2026-02-16 02:02:00
○ 2026-06-09 04:24:40

●A2606:4700:3034::6815:b962026-02-16 → 2026-06-09 · 5 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
○ 2026-02-16 04:07:22
● 2026-04-06 04:10:52
● 2026-06-09 04:24:40

●A2606:4700:3035::ac43:a65c2026-02-16 → 2026-06-09 · 5 obs

○ 2017-08-15 00:04:42
● 2026-02-16 02:02:00
○ 2026-02-16 04:07:22
● 2026-04-06 04:10:52
● 2026-06-09 04:24:40

○A2a06:98c1:3120::2026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:02:00
● 2026-02-16 04:07:22
○ 2026-04-06 04:10:52
○ 2026-06-09 04:24:40

○A2a06:98c1:3121::2026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:02:00
● 2026-02-16 04:07:22
○ 2026-04-06 04:10:52
○ 2026-06-09 04:24:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
improgrammer.net	donna.ns.cloudflare.com, terry.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.151

NS records: donna.ns.cloudflare.com, terry.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for improgrammer.net (unsigned zone)

⏱️ Timing

Total: 443ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.92, 104.21.11.150`
AAAA	2	`2606:4700:3034::6815:b96, 2606:4700:3035::ac43:a65c`
NS	2	`donna.ns.cloudflare.com, terry.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`donna.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

improgrammer.net maps to 4 IP numbers, specifically 104.21.11.150, 172.67.166.92, 2606:4700:3034::6815:b96 and 2606:4700:3035::ac43:a65c.

Two other host names, along with espress-a.ru, www.ecoturbino.at and written-off.com, also share IP numbers with improgrammer.net.

Name Servers

The NS records for improgrammer.net delegate to donna.ns.cloudflare.com and terry.ns.cloudflare.com.

improgrammer.net shares its NS records with other domains, for example standcreativestudio.com, fireloft.com, lovebetter.de and two others.

At least some of improgrammer.net's name servers are shared with other domains, for example motchillzl.co, campet.com.br, meetmyminutes.com and two more.

The name servers moura.ns.cloudflare.com, nash.ns.cloudflare.com, bayan.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

donna.ns.cloudflare.com directs to 108.162.192.151, 172.64.32.151, 173.245.58.151 and three others.

terry.ns.cloudflare.com directs to 108.162.193.237, 172.64.33.237, 173.245.59.237 and three others.

Mail Servers

improgrammer.net is served by two mail servers, mx1.improvmx.com and mx2.improvmx.com.

Among the domains sharing a mail server setup with improgrammer.net are gorocket.mobi, nvy.kr, booktrader.nl and two others.

improgrammer.net overlaps on mail servers with several other domains, for example jmaier.info, subtitlecat.com, simonson.us and cafe-zuckergoscherl.at.

DNS names with 6 IP addresses:

mx1.improvmx.com directs to 13.37.195.136, 15.236.236.160, 35.181.18.45 and three others.

mx2.improvmx.com directs to 13.36.107.63, 13.36.222.39, 15.236.61.92 and three others.