winterofcode.com - dns.ninja

`winterofcode.com`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
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	`alec.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alec.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alec.ns.cloudflare.com`
		A	108.162.193.59^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	172.64.33.59^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	173.245.59.59^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
NS	`arya.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a46^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arya.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c046^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arya.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2046^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arya.ns.cloudflare.com`
		A	108.162.192.70^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arya.ns.cloudflare.com`
		A	172.64.32.70^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arya.ns.cloudflare.com`
		A	173.245.58.70^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arya.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`
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2406762579

`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=1782590980

Same first word

winterofcode.com

DNS History

16 records (8 active, 8 former)

●NSalec.ns.cloudflare.com2026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●NSarya.ns.cloudflare.com2026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

○NSns1.websupport.sk2015-07-17 → 2017-04-07 · 4 obs

● 2015-07-17 14:02:22
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

○NSns2.websupport.sk2015-07-17 → 2017-04-07 · 4 obs

● 2015-07-17 14:02:22
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

○NSns3.websupport.sk2015-07-17 → 2017-04-07 · 4 obs

● 2015-07-17 14:02:22
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

○MXmailin1.winterofcode.com2015-07-17 → 2017-04-07 · 4 obs

● 2015-07-17 14:02:22
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

○MXmailin2.winterofcode.com2015-07-17 → 2017-04-07 · 4 obs

● 2015-07-17 14:02:22
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

○MXmailinbackup1.winterofcode.com2015-07-17 → 2016-03-17 · 4 obs

● 2015-07-17 14:02:22
● 2016-03-17 18:32:52
○ 2016-08-08 09:19:58
○ 2026-06-27 20:36:56

●MXmx1.improvmx.com2026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●MXmx2.improvmx.com2026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●A185.199.108.1532026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●A185.199.109.1532026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●A185.199.110.1532026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

●A185.199.111.1532026-04-02 → 2026-06-27 · 3 obs

○ 2017-04-07 18:17:32
● 2026-04-02 06:14:10
● 2026-06-27 20:36:56

○A195.210.29.12015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:02:22
○ 2015-11-23 12:40:42
○ 2026-06-27 20:36:56

○A92.60.52.572015-11-23 → 2017-04-07 · 5 obs

○ 2015-07-17 14:02:22
● 2015-11-23 12:40:42
● 2017-04-07 18:17:32
○ 2026-04-02 06:14:10
○ 2026-06-27 20:36:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
winterofcode.com	arya.ns.cloudflare.com, alec.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.70

NS records: arya.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for winterofcode.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.110.153, 185.199.109.153...`
NS	2	`alec.ns.cloudflare.com, arya.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
SOA	1	`alec.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (arya.ns.cloudflare.com, arya.ns.cloudflare.com, arya.ns.cloudflare.com...)

Analysis

IP Addresses

winterofcode.com has four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Additional host names — adityatiwari-dev.github.io, pdoc3.github.io, zoom.github.io and two others — share IP numbers with winterofcode.com.

Name Servers

Two name servers handle the delegation for winterofcode.com: alec.ns.cloudflare.com and arya.ns.cloudflare.com.

winterofcode.com shares its name server setup with other domains, including paulwatson.com, games2cool.com, solidborder.com and two others.

winterofcode.com partially shares its NS delegation with several other domains, including kussens.nu, sumber777.net, rossmotors.co.uk and two others.

These name servers often co-occur with the name servers algin.ns.cloudflare.com.

Host names with 6 IP numbers:

alec.ns.cloudflare.com resolves to 108.162.193.59, 172.64.33.59 and 173.245.59.59 among others, with 3 other IP addresses in total.

arya.ns.cloudflare.com resolves to 108.162.192.70, 172.64.32.70 and 173.245.58.70 among others, with 3 other IP addresses in total.

Mail Servers

winterofcode.com has two mail servers: mx1.improvmx.com and mx2.improvmx.com.

winterofcode.com shares the same mail server setup as other domains, including redbee.se, austinemmaus.org, htmlparser.info and two others.

winterofcode.com shares mail servers — at least in part — with other domains, including gfg.pr, pagebooster.net, peopleonbikes.com and two others.

Host names with 6 IP numbers:

mx1.improvmx.com resolves to 13.37.195.136, 15.236.236.160 and 35.181.18.45 among others, with 3 other IP addresses in total.

mx2.improvmx.com resolves to 13.36.107.63, 13.36.222.39 and 15.236.61.92 among others, with 3 other IP addresses in total.