overkillware.com - dns.ninja

`overkillware.com`

DNSSEC	🔒 Signed (DS record present)
A	3.170.19.6^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-6.iad61.r.cloudfront.net`
A	3.170.19.21^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.94^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.100^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-179.awsdns-22.com` ⭐
		A	2600:9000:5300:b300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-179.awsdns-22.com`
		A	205.251.192.179^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-179.awsdns-22.com`
NS	`ns-1015.awsdns-62.net`
		A	2600:9000:5303:f700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1015.awsdns-62.net`
		A	205.251.195.247^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1015.awsdns-62.net`
NS	`ns-1504.awsdns-60.org`
		A	2600:9000:5305:e000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1504.awsdns-60.org`
		A	205.251.197.224^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1504.awsdns-60.org`
NS	`ns-1635.awsdns-12.co.uk`
		A	2600:9000:5306:6300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1635.awsdns-12.co.uk`
		A	205.251.198.99^{🇺🇸 Amazon205.251.198.0/24 prefix}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`v=spf1 include:voltar.org -all`
SOA	`ns-179.awsdns-22.com`awsdns-hostmaster@amazon.com serial=1

`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=1782081065

Same first word

overkillware.com

Similar names

oliverwalker.ch

oliverwalker.com

revloriwalke.com

DNS History

65 records (13 active, 52 former)

●NSns-1015.awsdns-62.net2026-05-03 → 2026-06-21 · 3 obs

○ 2019-04-24 00:13:30
● 2026-05-03 08:15:50
● 2026-06-21 22:41:12

●NSns-1504.awsdns-60.org2026-05-03 → 2026-06-21 · 3 obs

○ 2019-04-24 00:13:30
● 2026-05-03 08:15:50
● 2026-06-21 22:41:12

●NSns-1635.awsdns-12.co.uk2026-05-03 → 2026-06-21 · 3 obs

○ 2019-04-24 00:13:30
● 2026-05-03 08:15:50
● 2026-06-21 22:41:12

●NSns-179.awsdns-22.com2026-05-03 → 2026-06-21 · 3 obs

○ 2019-04-24 00:13:30
● 2026-05-03 08:15:50
● 2026-06-21 22:41:12

○NSns1.voltar.org2015-07-10 → 2019-04-24 · 4 obs

● 2015-07-10 01:16:22
● 2019-04-24 00:13:30
○ 2026-05-03 08:15:50
○ 2026-06-21 22:41:12

○NSns2.voltar.org2015-07-10 → 2019-04-24 · 4 obs

● 2015-07-10 01:16:22
● 2019-04-24 00:13:30
○ 2026-05-03 08:15:50
○ 2026-06-21 22:41:12

●MXalt1.aspmx.l.google.com2015-07-10 → 2026-06-21 · 2 obs

● 2015-07-10 01:16:22
● 2026-06-21 22:41:12

●MXalt2.aspmx.l.google.com2015-07-10 → 2026-06-21 · 2 obs

● 2015-07-10 01:16:22
● 2026-06-21 22:41:12

●MXaspmx.l.google.com2015-07-10 → 2026-06-21 · 2 obs

● 2015-07-10 01:16:22
● 2026-06-21 22:41:12

●MXaspmx2.googlemail.com2015-07-10 → 2026-06-21 · 2 obs

● 2015-07-10 01:16:22
● 2026-06-21 22:41:12

●MXaspmx3.googlemail.com2015-07-10 → 2026-06-21 · 2 obs

● 2015-07-10 01:16:22
● 2026-06-21 22:41:12

○A13.32.164.112026-05-26 → 2026-06-08 · 38 obs

○ 2026-05-26 08:21:36
● 2026-05-26 20:08:46
● 2026-05-29 00:18:38
○ 2026-05-29 11:17:16
○ 2026-05-29 21:25:52
● 2026-05-29 23:23:02
● 2026-05-30 01:56:24
○ 2026-05-30 04:21:00
○ 2026-05-30 12:13:38
● 2026-05-30 19:28:48
● 2026-05-31 05:38:16
○ 2026-05-31 06:56:08
● 2026-05-31 08:02:42
○ 2026-05-31 12:11:14
○ 2026-06-01 08:21:04
● 2026-06-01 15:18:06
○ 2026-06-01 18:17:14
● 2026-06-01 20:20:30
● 2026-06-02 01:32:16
○ 2026-06-02 05:02:52
● 2026-06-02 12:13:48
● 2026-06-03 01:31:28
○ 2026-06-03 03:30:44
○ 2026-06-03 05:21:08
● 2026-06-03 06:02:50
○ 2026-06-03 07:01:36
● 2026-06-03 07:45:26
● 2026-06-03 10:11:30
○ 2026-06-03 19:09:12
● 2026-06-03 20:16:56
○ 2026-06-03 23:07:00
● 2026-06-04 00:40:02
● 2026-06-06 02:54:18
○ 2026-06-06 08:46:30
● 2026-06-06 11:16:28
● 2026-06-08 06:21:20
○ 2026-06-08 16:43:04
○ 2026-06-21 22:41:12

○A13.32.164.1212026-05-26 → 2026-06-08 · 38 obs

○A13.32.164.182026-05-26 → 2026-06-08 · 38 obs

○A13.32.164.332026-05-26 → 2026-06-08 · 38 obs

○A13.32.179.1242026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-18 00:51:56
● 2026-06-18 13:32:14
○ 2026-06-18 16:48:00
○ 2026-06-21 22:41:12

○A13.32.179.152026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-18 00:51:56
● 2026-06-18 13:32:14
○ 2026-06-18 16:48:00
○ 2026-06-21 22:41:12

○A13.32.179.252026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-18 00:51:56
● 2026-06-18 13:32:14
○ 2026-06-18 16:48:00
○ 2026-06-21 22:41:12

○A13.32.179.762026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-18 00:51:56
● 2026-06-18 13:32:14
○ 2026-06-18 16:48:00
○ 2026-06-21 22:41:12

○A143.204.204.212026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 04:30:28
● 2026-05-26 08:21:36
○ 2026-05-26 20:08:46
○ 2026-06-21 22:41:12

○A143.204.204.342026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 04:30:28
● 2026-05-26 08:21:36
○ 2026-05-26 20:08:46
○ 2026-06-21 22:41:12

○A143.204.204.602026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 04:30:28
● 2026-05-26 08:21:36
○ 2026-05-26 20:08:46
○ 2026-06-21 22:41:12

○A143.204.204.722026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 04:30:28
● 2026-05-26 08:21:36
○ 2026-05-26 20:08:46
○ 2026-06-21 22:41:12

○A18.161.34.1022026-05-05 → 2026-05-25 · 13 obs

○ 2026-05-03 08:15:50
● 2026-05-05 07:49:10
○ 2026-05-05 10:30:52
○ 2026-05-05 12:49:26
● 2026-05-06 21:42:24
○ 2026-05-07 00:25:44
○ 2026-05-09 16:46:32
● 2026-05-10 02:17:28
○ 2026-05-10 04:15:34
○ 2026-05-19 06:06:38
● 2026-05-25 10:00:12
○ 2026-05-25 20:49:46
○ 2026-06-21 22:41:12

○A18.161.34.1072026-05-05 → 2026-05-25 · 13 obs

○A18.161.34.222026-05-05 → 2026-05-25 · 13 obs

○A18.161.34.382026-05-05 → 2026-05-25 · 13 obs

○A18.239.208.192026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 15:18:06
● 2026-06-01 18:17:14
○ 2026-06-01 20:20:30
○ 2026-06-21 22:41:12

○A18.239.208.242026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 15:18:06
● 2026-06-01 18:17:14
○ 2026-06-01 20:20:30
○ 2026-06-21 22:41:12

○A18.239.208.312026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 15:18:06
● 2026-06-01 18:17:14
○ 2026-06-01 20:20:30
○ 2026-06-21 22:41:12

○A18.239.208.972026-06-01 → 2026-06-01 · 4 obs

○ 2026-06-01 15:18:06
● 2026-06-01 18:17:14
○ 2026-06-01 20:20:30
○ 2026-06-21 22:41:12

○A3.160.188.1032026-05-30 → 2026-06-03 · 9 obs

○ 2026-05-30 04:21:00
● 2026-05-30 12:13:38
○ 2026-05-30 19:28:48
○ 2026-06-03 03:30:44
● 2026-06-03 05:21:08
○ 2026-06-03 06:02:50
● 2026-06-03 07:01:36
○ 2026-06-03 07:45:26
○ 2026-06-21 22:41:12

○A3.160.188.182026-05-30 → 2026-06-03 · 9 obs

○A3.160.188.42026-05-30 → 2026-06-03 · 9 obs

○A3.160.188.732026-05-30 → 2026-06-03 · 9 obs

○A3.162.103.1012026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-18 16:48:00
● 2026-06-21 04:10:30
○ 2026-06-21 10:59:48
○ 2026-06-21 22:41:12

○A3.162.103.272026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-18 16:48:00
● 2026-06-21 04:10:30
○ 2026-06-21 10:59:48
○ 2026-06-21 22:41:12

○A3.162.103.342026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-18 16:48:00
● 2026-06-21 04:10:30
○ 2026-06-21 10:59:48
○ 2026-06-21 22:41:12

○A3.162.103.412026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-18 16:48:00
● 2026-06-21 04:10:30
○ 2026-06-21 10:59:48
○ 2026-06-21 22:41:12

○A3.166.135.1122026-05-03 → 2026-06-16 · 57 obs

○ 2019-04-24 00:13:30
● 2026-05-03 08:15:50
○ 2026-05-05 07:49:10
○ 2026-05-08 04:58:28
● 2026-05-09 16:46:32
○ 2026-05-10 02:17:28
● 2026-05-10 04:15:34
● 2026-05-10 16:36:52
○ 2026-05-10 19:58:56
● 2026-05-16 01:51:24
○ 2026-05-16 15:59:40
● 2026-05-17 11:40:18
○ 2026-05-17 20:04:02
● 2026-05-19 06:06:38
○ 2026-05-25 10:00:12
○ 2026-05-29 00:18:38
● 2026-05-29 11:17:16
● 2026-05-29 21:25:52
○ 2026-05-29 23:23:02
○ 2026-05-31 05:38:16
● 2026-05-31 06:56:08
○ 2026-05-31 08:02:42
● 2026-05-31 12:11:14
● 2026-05-31 21:25:46
○ 2026-06-01 03:23:50
● 2026-06-01 04:15:16
● 2026-06-01 08:21:04
○ 2026-06-01 15:18:06
○ 2026-06-02 01:32:16
● 2026-06-02 05:02:52
○ 2026-06-02 12:13:48
○ 2026-06-03 01:31:28
● 2026-06-03 03:30:44
○ 2026-06-03 05:21:08
○ 2026-06-03 10:11:30
● 2026-06-03 19:09:12
○ 2026-06-03 20:16:56
● 2026-06-03 23:07:00
○ 2026-06-04 00:40:02
○ 2026-06-06 02:54:18
● 2026-06-06 08:46:30
○ 2026-06-06 11:16:28
○ 2026-06-08 06:21:20
● 2026-06-08 16:43:04
○ 2026-06-08 17:44:12
● 2026-06-08 18:28:20
● 2026-06-08 23:25:50
○ 2026-06-10 02:40:16
○ 2026-06-10 13:49:10
● 2026-06-10 14:25:30
○ 2026-06-10 18:28:38
● 2026-06-10 19:32:06
○ 2026-06-11 15:15:14
○ 2026-06-16 00:09:22
● 2026-06-16 14:05:06
○ 2026-06-16 20:49:28
○ 2026-06-21 22:41:12

○A3.166.135.1242026-05-03 → 2026-06-16 · 57 obs

○A3.166.135.1252026-05-03 → 2026-06-16 · 57 obs

○A3.166.135.722026-05-03 → 2026-06-16 · 57 obs

●A3.170.19.1002026-05-25 → 2026-06-21 · 11 obs

○ 2026-05-25 10:00:12
● 2026-05-25 20:49:46
● 2026-05-26 04:30:28
○ 2026-05-26 08:21:36
○ 2026-06-16 14:05:06
● 2026-06-16 20:49:28
○ 2026-06-17 07:17:52
● 2026-06-17 09:16:36
○ 2026-06-17 11:30:36
● 2026-06-21 22:41:10
● 2026-06-21 22:41:12

●A3.170.19.212026-05-25 → 2026-06-21 · 11 obs

●A3.170.19.62026-05-25 → 2026-06-21 · 11 obs

●A3.170.19.942026-05-25 → 2026-06-21 · 11 obs

○A3.174.46.1142026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 01:56:24
● 2026-05-30 04:21:00
○ 2026-05-30 12:13:38
○ 2026-06-21 22:41:12

○A3.174.46.532026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 01:56:24
● 2026-05-30 04:21:00
○ 2026-05-30 12:13:38
○ 2026-06-21 22:41:12

○A3.174.46.662026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 01:56:24
● 2026-05-30 04:21:00
○ 2026-05-30 12:13:38
○ 2026-06-21 22:41:12

○A3.174.46.822026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 01:56:24
● 2026-05-30 04:21:00
○ 2026-05-30 12:13:38
○ 2026-06-21 22:41:12

○A52.2.190.782015-11-22 → 2019-04-24 · 5 obs

○ 2015-07-10 01:16:22
● 2015-11-22 09:21:24
● 2019-04-24 00:13:30
○ 2026-05-03 08:15:50
○ 2026-06-21 22:41:12

○A52.85.118.632026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 21:25:46
● 2026-06-01 03:23:50
○ 2026-06-01 04:15:16
○ 2026-06-21 22:41:12

○A52.85.118.682026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 21:25:46
● 2026-06-01 03:23:50
○ 2026-06-01 04:15:16
○ 2026-06-21 22:41:12

○A52.85.118.692026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 21:25:46
● 2026-06-01 03:23:50
○ 2026-06-01 04:15:16
○ 2026-06-21 22:41:12

○A52.85.118.972026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 21:25:46
● 2026-06-01 03:23:50
○ 2026-06-01 04:15:16
○ 2026-06-21 22:41:12

○A54.230.253.332026-05-05 → 2026-05-08 · 9 obs

○ 2026-05-05 07:49:10
● 2026-05-05 10:30:52
● 2026-05-05 12:49:26
○ 2026-05-06 21:42:24
● 2026-05-07 00:25:44
○ 2026-05-07 03:03:20
● 2026-05-08 04:08:08
○ 2026-05-08 04:58:28
○ 2026-06-21 22:41:12

○A54.230.253.42026-05-05 → 2026-05-08 · 9 obs

○A54.230.253.62026-05-05 → 2026-05-08 · 9 obs

○A54.230.253.892026-05-05 → 2026-05-08 · 9 obs

○A69.174.176.1682015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 01:16:22
○ 2015-11-22 09:21:24
○ 2026-06-21 22:41:12

○A99.86.12.1012026-05-07 → 2026-06-21 · 35 obs

○ 2026-05-07 00:25:44
● 2026-05-07 03:03:20
○ 2026-05-08 04:08:08
● 2026-05-08 04:58:28
○ 2026-05-09 16:46:32
○ 2026-05-10 16:36:52
● 2026-05-10 19:58:56
○ 2026-05-16 01:51:24
● 2026-05-16 15:59:40
○ 2026-05-17 11:40:18
● 2026-05-17 20:04:02
○ 2026-05-19 06:06:38
○ 2026-06-08 16:43:04
● 2026-06-08 17:44:12
○ 2026-06-08 18:28:20
○ 2026-06-08 23:25:50
● 2026-06-10 02:40:16
● 2026-06-10 13:49:10
○ 2026-06-10 14:25:30
● 2026-06-10 18:28:38
○ 2026-06-10 19:32:06
● 2026-06-11 15:15:14
● 2026-06-16 00:09:22
○ 2026-06-16 14:05:06
○ 2026-06-16 20:49:28
● 2026-06-17 07:17:52
○ 2026-06-17 09:16:36
● 2026-06-17 11:30:36
● 2026-06-18 00:51:56
○ 2026-06-18 13:32:14
● 2026-06-18 16:48:00
○ 2026-06-21 04:10:30
● 2026-06-21 10:59:48
○ 2026-06-21 22:41:10
○ 2026-06-21 22:41:12

○A99.86.12.1262026-05-07 → 2026-06-21 · 35 obs

○A99.86.12.452026-05-07 → 2026-06-21 · 35 obs

○A99.86.12.912026-05-07 → 2026-06-21 · 35 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
overkillware.com	ns-179.awsdns-22.com, ns-1015.awsdns-62.net, ns-1635.awsdns-12.co.uk, ns-1504.awsdns-60.org	2 records

✅ Authoritative Response

Server:205.251.197.224

NS records: ns-179.awsdns-22.com, ns-1015.awsdns-62.net, ns-1635.awsdns-12.co.uk, ns-1504.awsdns-60.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 542ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.21, 3.170.19.100...`
NS	4	`ns-1015.awsdns-62.net, ns-1504.awsdns-60.org...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 include:voltar.org -all`
SOA	1	`ns-179.awsdns-22.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-179.awsdns-22.com, ns-179.awsdns-22.com)

Analysis

IP Addresses

overkillware.com has four IP addresses: 3.170.19.6, 3.170.19.21, 3.170.19.94 and 3.170.19.100.

d1tcj9wvwcueko.cloudfront.net, d3phpovn4ivi09.cloudfront.net, benelic.com plus two other host names have IP numbers in common with overkillware.com.

Name Servers

Four name servers handle the delegation for overkillware.com: ns-179.awsdns-22.com, ns-1015.awsdns-62.net, ns-1504.awsdns-60.org and ns-1635.awsdns-12.co.uk.

overkillware.com partially shares its NS delegation with several other domains, including siemens-srm.com, services.qld.gov.au, atikux.com and two others.

These name servers tend to appear together with the name servers ns-354.awsdns-44.com, ns-536.awsdns-03.net and ns-1300.awsdns-34.org, plus two others.

ns-179.awsdns-22.com, ns-1015.awsdns-62.net, ns-1504.awsdns-60.org and ns-1635.awsdns-12.co.uk each carry two IP addresses. ns-179.awsdns-22.com has 205.251.192.179 and 2600:9000:5300:b300::1; ns-1015.awsdns-62.net has 205.251.195.247 and 2600:9000:5303:f700::1; ns-1504.awsdns-60.org has 205.251.197.224 and 2600:9000:5305:e000::1; ns-1635.awsdns-12.co.uk has 205.251.198.99 and 2600:9000:5306:6300::1.

Mail Servers

Mail for overkillware.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by overkillware.com are shared with other domains: sullygholson.com, xinchitao.de, itelect.se and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 172.253.62.27 and 2607:f8b0:4004:c1d::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.