`forums.topcoder.com`

DNSSEC	⚠️ Not signed
A	3.95.84.82^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-95-84-82.compute-1.amazonaws.com`
A	54.83.41.124^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
A	54.156.153.201^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}

`topcoder.com`

	DNSSEC	⚠️ Not signed
	A	3.95.84.82^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
	A	54.83.41.124^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
	A	54.156.153.201^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
	NS	`ns-1916.awsdns-47.co.uk` ⭐
	NS	`ns-1435.awsdns-51.org`
	NS	`ns-32.awsdns-04.com`
	NS	`ns-677.awsdns-20.net`
	MX	`topcoder-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms20073706`
	TXT	`MS=ms23759231`
	TXT	`MS=ms44288208`
	TXT	`_globalsign-domain-verification=jXiWaCVO93prZlMVt6v8jbAryOZqlOXq62Qhr6m3RM`
	TXT	`atlassian-domain-verification=+w2kTGdJUmIadT3Z6ZvXEscJ4Uy1ZzK8fAd9FkhHTX5dJB7...`
	TXT	`dls4pqf246mukrf72idavk9l3g`
	TXT	`docusign=953f4549-607e-46f6-bf11-2cb19ce17157`
	TXT	`google-site-verification=2mx-vBhouJ1CBg7zcfjojmXumIc9_ydV2CjySPifStk`
	TXT	`google-site-verification=30UfLo5U-eaGkOC5qWNCDLOoMo5w5IALPwF60UpPHZ8`
	TXT	`google-site-verification=5SodLKZzELdBw6825qNrjIGAktHnJa0LOXKi5450aTo`
	TXT	`google-site-verification=I2-vokJxAW7yo94ZnfE5oPV8li8GmGwMHEWiMCA2rCQ`
	TXT	`google-site-verification=P4bA6xyIh48pl3AS0TSwsCH9CMrQkeZOQ29fX81BSZI`
	TXT	`growsurf=mn3hmp`
	TXT	`h1-domain-verification=sKDFb5pWdrRSUVFAYavot1mDhMwC2ET1TyN26tgrMi5noc2G`
	TXT	`mongodb-site-verification=6zXNzVaVQossZaSV8HTbJ3zmaUrPusCh`
	TXT	`segment-site-verification=B6OW8Cqms9KaRs3DpqnieB26cJIepPKr`
	TXT	`status-page-domain-verification=w978dxn9smwn`
	TXT	`unbounce=381395`
	TXT	`v=spf1 ip4:54.165.99.226/32 ip4:34.235.47.21/32 ip4:10.25.35.223/32 include:m...`
	SOA	`ns-1916.awsdns-47.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (92/100)
rank #19246 globally
rank #9547 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #50,940

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DNS History

22 records (3 active, 19 former)

○A100.24.142.2002026-02-15 → 2026-04-24 · 2 obs

○ 2026-02-15 23:05:16
○ 2026-04-24 07:50:32

○A100.49.125.1952026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-01 07:08:50
● 2026-03-07 09:19:00
○ 2026-03-30 16:58:30
○ 2026-04-24 07:50:32

○A13.219.160.2552026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-17 07:57:26
● 2026-03-01 07:08:50
○ 2026-03-07 09:19:00
○ 2026-04-24 07:50:32

○A3.218.109.412026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-17 07:57:26
● 2026-03-01 07:08:50
○ 2026-03-07 09:19:00
○ 2026-04-24 07:50:32

●A3.95.84.822026-04-24 → 2026-04-24 · 3 obs

○ 2026-03-30 16:58:30
● 2026-04-24 03:26:12
● 2026-04-24 07:50:32

○A34.198.248.1912026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-17 07:57:26
● 2026-03-01 07:08:50
○ 2026-03-07 09:19:00
○ 2026-04-24 07:50:32

○A34.199.17.2232026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-01 07:08:50
● 2026-03-07 09:19:00
○ 2026-03-30 16:58:30
○ 2026-04-24 07:50:32

○A34.239.72.1762026-02-15 → 2026-02-17 · 5 obs

○ 2016-08-11 16:14:16
● 2026-02-15 23:05:16
● 2026-02-17 07:57:26
○ 2026-03-01 07:08:50
○ 2026-04-24 07:50:32

○A35.170.0.602026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-07 09:19:00
● 2026-03-30 16:58:30
○ 2026-04-24 03:26:12
○ 2026-04-24 07:50:32

○A44.215.157.1102026-02-15 → 2026-02-17 · 5 obs

○ 2016-08-11 16:14:16
● 2026-02-15 23:05:16
● 2026-02-17 07:57:26
○ 2026-03-01 07:08:50
○ 2026-04-24 07:50:32

○A44.217.244.1572026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-01 07:08:50
● 2026-03-07 09:19:00
○ 2026-03-30 16:58:30
○ 2026-04-24 07:50:32

○A50.17.230.2292026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-07 09:19:00
● 2026-03-30 16:58:30
○ 2026-04-24 03:26:12
○ 2026-04-24 07:50:32

○A52.20.42.2222016-08-11 → 2016-08-11 · 4 obs

○ 2016-03-23 03:09:18
● 2016-08-11 16:14:16
○ 2026-02-15 23:05:16
○ 2026-04-24 07:50:32

○A52.70.82.1222016-08-11 → 2016-08-11 · 4 obs

○ 2016-03-23 03:09:18
● 2016-08-11 16:14:16
○ 2026-02-15 23:05:16
○ 2026-04-24 07:50:32

○A52.72.193.162026-02-15 → 2026-02-17 · 5 obs

○ 2016-08-11 16:14:16
● 2026-02-15 23:05:16
● 2026-02-17 07:57:26
○ 2026-03-01 07:08:50
○ 2026-04-24 07:50:32

●A54.156.153.2012026-04-24 → 2026-04-24 · 3 obs

○ 2026-03-30 16:58:30
● 2026-04-24 03:26:12
● 2026-04-24 07:50:32

○A54.158.161.52026-02-15 → 2026-04-24 · 2 obs

○ 2026-02-15 23:05:16
○ 2026-04-24 07:50:32

●A54.83.41.1242026-04-24 → 2026-04-24 · 3 obs

○ 2026-03-30 16:58:30
● 2026-04-24 03:26:12
● 2026-04-24 07:50:32

○A54.86.103.532026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-07 09:19:00
● 2026-03-30 16:58:30
○ 2026-04-24 03:26:12
○ 2026-04-24 07:50:32

○A54.88.146.1792015-05-22 → 2016-03-23 · 4 obs

● 2015-05-22 14:22:38
● 2016-03-23 03:09:18
○ 2016-08-11 16:14:16
○ 2026-04-24 07:50:32

○A98.86.98.1132026-02-15 → 2026-04-24 · 2 obs

○ 2026-02-15 23:05:16
○ 2026-04-24 07:50:32

○CNAMEsophos-cf-elasticl-1hdq9pe5m6afg-1835532763.us-east-1.elb.amazonaws.com2016-08-11 → 2026-02-17 · 4 obs

● 2016-08-11 16:14:16
● 2026-02-17 07:57:26
○ 2026-03-01 07:08:50
○ 2026-04-24 07:50:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
topcoder.com	ns-32.awsdns-04.com, ns-677.awsdns-20.net, ns-1916.awsdns-47.co.uk, ns-1435.awsdns-51.org	2 records

✅ Authoritative Response

Server:205.251.197.155

NS records: ns-32.awsdns-04.com, ns-677.awsdns-20.net, ns-1916.awsdns-47.co.uk, ns-1435.awsdns-51.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topcoder.com (unsigned zone)

⏱️ Timing

Total: 248ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.95.84.82, 54.83.41.124...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-32.awsdns-04.com, ns-32.awsdns-04.com)

Analysis

IP Addresses

forums.topcoder.com points to IPs: 3.95.84.82, 54.83.41.124 and 54.156.153.201.

Other host names, for instance arena.topcoder.com, topcoder.com, accounts.topcoder.com, topgear.topcoder.com and ec2-54-83-41-124.compute-1.amazonaws.com share IP numbers with forums.topcoder.com.

forums.topcoder.com - robtex.com