`alt1037.source.developers.google.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4023:2c03::52^{🇺🇸 Google2607:f8b0::/32}
		PTR	`yufwakf-in-f82.1e100.net`
A	172.253.132.82^{🇺🇸 Google172.253.132.0/24}

`source.developers.google.com`

	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4004:c27::52^{🇺🇸 Google2607:f8b0:4004::/48}
	A	172.253.139.82^{🇺🇸 Google172.253.139.0/24}

WOT: SAFE (94/100)
WOT: SAFE (94/100)

DNS History

16 records (2 active, 14 former)

○A108.177.11.822026-02-28 → 2026-03-29 · 10 obs

○ 2019-03-20 15:33:54
● 2026-02-28 05:07:00
○ 2026-03-09 19:43:46
● 2026-03-12 02:32:32
● 2026-03-14 19:41:52
○ 2026-03-18 07:43:40
○ 2026-03-25 13:28:58
● 2026-03-29 11:53:42
○ 2026-03-30 14:10:20
○ 2026-04-24 01:59:12

○A108.177.96.822019-03-20 → 2019-03-20 · 3 obs

● 2019-03-20 15:33:54
○ 2026-02-28 05:07:00
○ 2026-04-24 01:59:12

●A172.253.132.822026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-18 15:42:08
● 2026-04-23 13:04:34
● 2026-04-24 01:59:12

○A172.253.147.822026-04-08 → 2026-04-18 · 8 obs

○ 2026-04-07 14:29:14
● 2026-04-08 08:07:06
○ 2026-04-09 02:46:56
○ 2026-04-09 10:32:40
● 2026-04-11 04:03:02
● 2026-04-18 15:42:08
○ 2026-04-23 13:04:34
○ 2026-04-24 01:59:12

○A172.253.158.822026-03-23 → 2026-03-30 · 7 obs

○ 2026-03-22 07:38:14
● 2026-03-23 01:10:02
○ 2026-03-25 13:28:58
○ 2026-03-29 11:53:42
● 2026-03-30 14:10:20
○ 2026-04-04 16:16:32
○ 2026-04-24 01:59:12

○A192.178.164.822026-02-28 → 2026-04-24 · 2 obs

○ 2026-02-28 05:07:00
○ 2026-04-24 01:59:12

○A192.178.218.822026-03-09 → 2026-03-09 · 4 obs

○ 2026-02-28 05:07:00
● 2026-03-09 19:43:46
○ 2026-03-12 02:32:32
○ 2026-04-24 01:59:12

○A2404:6800:4003:c26::522026-03-23 → 2026-03-30 · 7 obs

○ 2026-03-22 07:38:14
● 2026-03-23 01:10:02
○ 2026-03-25 13:28:58
○ 2026-03-29 11:53:42
● 2026-03-30 14:10:20
○ 2026-04-04 16:16:32
○ 2026-04-24 01:59:12

○A2607:f8b0:4002:c08::522026-03-18 → 2026-04-09 · 14 obs

○ 2026-03-14 19:41:52
● 2026-03-18 07:43:40
● 2026-03-22 07:38:14
○ 2026-03-23 01:10:02
● 2026-03-25 13:28:58
○ 2026-03-29 11:53:42
○ 2026-03-30 14:10:20
● 2026-04-04 16:16:32
● 2026-04-07 14:29:14
○ 2026-04-08 08:07:06
● 2026-04-09 02:46:56
● 2026-04-09 10:32:40
○ 2026-04-11 04:03:02
○ 2026-04-24 01:59:12

○A2607:f8b0:4004:c25::522026-03-09 → 2026-03-09 · 4 obs

○ 2026-02-28 05:07:00
● 2026-03-09 19:43:46
○ 2026-03-12 02:32:32
○ 2026-04-24 01:59:12

○A2607:f8b0:400c:c01::522026-02-28 → 2026-03-29 · 10 obs

○A2607:f8b0:400c:c28::522026-04-08 → 2026-04-18 · 8 obs

○ 2026-04-07 14:29:14
● 2026-04-08 08:07:06
○ 2026-04-09 02:46:56
○ 2026-04-09 10:32:40
● 2026-04-11 04:03:02
● 2026-04-18 15:42:08
○ 2026-04-23 13:04:34
○ 2026-04-24 01:59:12

○A2607:f8b0:4023:2009::522026-02-28 → 2026-04-24 · 2 obs

○ 2026-02-28 05:07:00
○ 2026-04-24 01:59:12

●A2607:f8b0:4023:2c03::522026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-18 15:42:08
● 2026-04-23 13:04:34
● 2026-04-24 01:59:12

○A2a00:1450:4013:c06::522019-03-20 → 2019-03-20 · 3 obs

● 2019-03-20 15:33:54
○ 2026-02-28 05:07:00
○ 2026-04-24 01:59:12

○A64.233.177.822026-03-18 → 2026-04-09 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
google.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	8 records

✅ Authoritative Response

Server:216.239.38.10

NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for google.com (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.253.132.82`
AAAA	1	`2607:f8b0:4023:2c03::52`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)

Analysis

IP Addresses

alt1037.source.developers.google.com resolves to two IP numbers: 2607:f8b0:4023:2c03::52 and 172.253.132.82.

Other host names, for instance alt923.source.developers.google.com, alt1057.source.developers.google.com and alt1053.source.developers.google.com share IP numbers with alt1037.source.developers.google.com.

alt1037.source.developers.google.com - robtex.com