factoryfour.com - dns.ninja
factoryfour.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 2606:4700:3035::ac43:c0c6๐บ๐ธ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US โ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3407๐บ๐ธ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US โ In HTTPS hints | ||||||
| A | 104.21.52.7Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โ In HTTPS hints | ||||||
| A | 172.67.192.198๐บ๐ธ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โ In HTTPS hints | ||||||
| NS | gina.ns.cloudflare.com โญ | ||||||
| A | 2606:4700:50::adf5:3a75๐บ๐ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c075๐จ๐ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2075๐บ๐ธ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 108.162.192.117๐บ๐ธ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 172.64.32.117๐บ๐ธ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 173.245.58.117๐บ๐ธ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| NS | jack.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b79๐บ๐ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c179๐จ๐ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2179๐บ๐ธ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| A | 108.162.193.121๐บ๐ธ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| A | 172.64.33.121๐บ๐ธ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| A | 173.245.59.121๐บ๐ธ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jack.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com โญ | ||||||
| A | 2607:f8b0:4004:c0b::1a๐บ๐ธ Google2607:f8b0:4004::/48 | ||||||
| PTR | bj-in-f26.1e100.net | ||||||
| A | 192.178.155.27๐บ๐ธ Google192.178.155.0/24 | ||||||
| PTR | yuiadrs-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2800:3f0:4003:c0f::1b๐จ๐ฑ Google2800:3f0:4003::/48 | ||||||
| A | 108.177.123.27๐บ๐ธ Google108.177.123.0/24 | ||||||
| PTR | lcscld-in-f27.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2a00:1450:400b:c02::1b๐ฎ๐ช Google2a00:1450:400b::/48 | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.27๐บ๐ธ Google172.253.116.0/24 | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| A | 2a00:1450:4009:c0f::1b๐ฌ๐ง Google2a00:1450:4009::/48 | ||||||
| PTR | yulhrs-in-f27.1e100.net | ||||||
| A | 192.178.223.26๐บ๐ธ Google192.178.223.0/24 | ||||||
| PTR | yulhrs-in-f26.1e100.net | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| A | 2a00:1450:400c:c23::1a๐ง๐ช Google2a00:1450:400c::/48 | ||||||
| PTR | yubrupd-in-f26.1e100.net | ||||||
| A | 172.253.157.26๐บ๐ธ Google172.253.0.0/16 | ||||||
| TXT | MS=17838B0861C3B8681C2F3B238516EF9A9EED5194 | ||||||
| TXT | ZOOM_verify_HeySkq84cEWc1nZlnrjmnQ | ||||||
| TXT | atlassian-domain-verification=jTo+AkFENZcsTQcB17QS6v/YqA+te2JvB2mWUxSq3pYefgo... | ||||||
| TXT | google-site-verification=-r3R5G74C09tINJhd6zuB8b9YcF3uaguQuGuwxHSp94 | ||||||
| TXT | postman-domain-verification=308bde54a5b11f961a558ce122d9ba4836073c4a3b4a7bad2... | ||||||
| TXT | status-page-domain-verification=9cykzmt2hwj1 | ||||||
| TXT | stripe-verification=30a6ebf7b8e091a84007caaa1f360ea606bbe9556564f014c89a9e496... | ||||||
| TXT | v=spf1 include:stspg-customer.com include:_spf.google.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 โ hints match | ||||||
| IPv4 hints | 104.21.52.7, 172.67.192.198 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:c0c6, 2606:4700:3037::6815:3407 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com | ||||||
| SOA | gina.ns.cloudflare.comdns@cloudflare.com serial=2407322392 | ||||||
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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.netnstld@verisign-grs.com serial=1784227912 | ||||||
Subdomains
Same first word
factoryfour.com |
Similar names
DNS History
54 records (11 active, 43 former)
โNSgina.ns.cloudflare.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โNSjack.ns.cloudflare.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โNSns1.namebrightdns.com2015-07-04 โ 2016-04-29 ยท 8 obs
โ 2015-07-04 19:37:32
โ 2015-10-20 05:14:04
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2016-04-29 20:46:36
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โNSns2.namebrightdns.com2015-07-04 โ 2016-04-29 ยท 8 obs
โ 2015-07-04 19:37:32
โ 2015-10-20 05:14:04
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2016-04-29 20:46:36
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โNSns45.1and1.co.uk2007-08-23 โ 2007-08-23 ยท 3 obs
โ 2015-07-04 19:37:32
โ 2026-07-16 19:15:18
โNSns46.1and1.co.uk2007-08-23 โ 2007-08-23 ยท 3 obs
โ 2015-07-04 19:37:32
โ 2026-07-16 19:15:18
โNSnsg1.namebrightdns.com2015-12-24 โ 2015-12-24 ยท 4 obs
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2026-07-16 19:15:18
โNSnsg2.namebrightdns.com2015-12-24 โ 2015-12-24 ยท 4 obs
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2026-07-16 19:15:18
โMXalt1.aspmx.l.google.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โMXalt2.aspmx.l.google.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โMXalt3.aspmx.l.google.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โMXalt4.aspmx.l.google.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โMXanmail.namebrightmail.com2015-07-04 โ 2015-07-04 ยท 4 obs
โ 2015-07-04 19:37:32
โ 2015-10-20 05:14:04
โ 2026-07-16 19:15:18
โMXaspmx.l.google.com2017-03-13 โ 2026-07-16 ยท 3 obs
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โMXmx00.1and1.co.uk2007-08-23 โ 2007-08-23 ยท 3 obs
โ 2015-07-04 19:37:32
โ 2026-07-16 19:15:18
โMXmx01.1and1.co.uk2007-08-23 โ 2007-08-23 ยท 3 obs
โ 2015-07-04 19:37:32
โ 2026-07-16 19:15:18
โA104.21.52.72026-02-19 โ 2026-07-16 ยท 8 obs
โ 2026-02-19 23:49:14
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA107.21.42.1422016-03-29 โ 2016-03-29 ยท 4 obs
โ 2016-03-29 23:46:18
โ 2016-04-29 20:46:36
โ 2026-07-16 19:15:18
โA107.23.160.2182015-12-24 โ 2015-12-24 ยท 4 obs
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2026-07-16 19:15:18
โA107.23.95.2352015-07-04 โ 2015-07-04 ยท 4 obs
โ 2015-07-04 19:37:32
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA172.67.192.1982026-02-19 โ 2026-07-16 ยท 8 obs
โ 2026-02-19 23:49:14
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA188.114.96.02026-02-27 โ 2026-06-12 ยท 7 obs
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA188.114.97.02026-02-27 โ 2026-06-12 ยท 7 obs
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA2600:9000:201f:1600:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:2800:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:2a00:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:4600:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:5000:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:6200:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:e800:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2600:9000:201f:f400:5:846:dc80:93a12017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA2606:4700:3031::6815:34072026-02-19 โ 2026-06-19 ยท 9 obs
โ 2026-02-19 23:49:14
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-08 12:00:46
โ 2026-07-16 19:15:18
โA2606:4700:3033::ac43:c0c62026-02-19 โ 2026-06-19 ยท 9 obs
โ 2026-02-19 23:49:14
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-08 12:00:46
โ 2026-07-16 19:15:18
โA2606:4700:3035::ac43:c0c62026-07-08 โ 2026-07-16 ยท 3 obs
โ 2026-07-08 12:00:46
โ 2026-07-16 19:15:18
โA2606:4700:3037::6815:34072026-07-08 โ 2026-07-16 ยท 3 obs
โ 2026-07-08 12:00:46
โ 2026-07-16 19:15:18
โA2a06:98c1:3120::2026-02-27 โ 2026-06-12 ยท 7 obs
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA2a06:98c1:3121::2026-02-27 โ 2026-06-12 ยท 7 obs
โ 2026-02-27 06:36:16
โ 2026-03-26 20:40:30
โ 2026-06-07 13:24:00
โ 2026-06-12 12:45:22
โ 2026-06-19 13:45:42
โ 2026-07-16 19:15:18
โA52.200.243.1232016-04-29 โ 2016-04-29 ยท 4 obs
โ 2016-04-29 20:46:36
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โA54.152.144.2432016-04-29 โ 2016-04-29 ยท 4 obs
โ 2016-04-29 20:46:36
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
โA54.174.149.302016-03-29 โ 2016-03-29 ยท 4 obs
โ 2016-03-29 23:46:18
โ 2016-04-29 20:46:36
โ 2026-07-16 19:15:18
โA54.174.31.2542015-10-20 โ 2015-10-20 ยท 4 obs
โ 2015-10-20 05:14:04
โ 2015-12-24 01:40:32
โ 2026-07-16 19:15:18
โA54.208.74.2152015-10-20 โ 2015-10-20 ยท 4 obs
โ 2015-10-20 05:14:04
โ 2015-12-24 01:40:32
โ 2026-07-16 19:15:18
โA54.209.90.812015-12-24 โ 2015-12-24 ยท 4 obs
โ 2015-12-24 01:40:32
โ 2016-03-29 23:46:18
โ 2026-07-16 19:15:18
โA54.230.1.1372017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.1762017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.1952017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.2022017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.2052017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.2172017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.2352017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.230.1.932017-03-13 โ 2017-03-13 ยท 4 obs
โ 2017-03-13 15:01:42
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA54.84.74.522015-07-04 โ 2015-07-04 ยท 4 obs
โ 2015-07-04 19:37:32
โ 2026-02-19 23:49:14
โ 2026-07-16 19:15:18
โA82.165.62.1782007-08-23 โ 2007-08-23 ยท 3 obs
โ 2015-07-04 19:37:32
โ 2026-07-16 19:15:18
โCNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-04 โ 2016-04-29 ยท 5 obs
โ 2015-07-04 19:37:32
โ 2016-04-29 20:46:36
โ 2017-03-13 15:01:42
โ 2026-07-16 19:15:18
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| factoryfour.com | gina.ns.cloudflare.com, jack.ns.cloudflare.com | 12 records |
โ Authoritative Response
Server:108.162.192.117
NS records: gina.ns.cloudflare.com, jack.ns.cloudflare.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for factoryfour.com (unsigned zone)
โฑ๏ธ Timing
Total: 395ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.52.7, 172.67.192.198 |
| AAAA | 2 | 2606:4700:3035::ac43:c0c6, 2606:4700:3037::6815:3407 |
| NS | 2 | gina.ns.cloudflare.com, jack.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 8 | MS=17838B0861C3B8681C2F3B238516EF9A9EED5, ZOOM_verify_HeySkq84cEWc1nZlnrjmnQ... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gina.ns.cloudflare.com dns.cloudflare.co |
๐ Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gina.ns.cloudflare.com, gina.ns.cloudflare.com, gina.ns.cloudflare.com...)
Analysis
Hierarchy
The parent domain of www.factoryfour.com and static.factoryfour.com is factoryfour.com.
IP Addresses
factoryfour.com directs to four IP numbers, which are 104.21.52.7, 172.67.192.198, 2606:4700:3035::ac43:c0c6 and 2606:4700:3037::6815:3407.
Among the host names that share IP numbers with factoryfour.com are unitools.fr, zerdeq1392.ppmma.com, steamkingal.com and two others.
Name Servers
factoryfour.com is delegated to two name servers: gina.ns.cloudflare.com and jack.ns.cloudflare.com.
factoryfour.com has the same name server delegation as a number of other domains, such as kodaika.com, ugerri.com, photoshootlive.com and two more.
At least some of factoryfour.com's name servers are shared with other domains, for example jagermeister.io, vrtnarstvokrasovec.si, 118tk0.com and two more.
It is common for these name servers to be used in conjunction with the name servers dave.ns.cloudflare.com, anderson.ns.cloudflare.com and jim.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
gina.ns.cloudflare.com resolves to 108.162.192.117, 172.64.32.117, 173.245.58.117 and 3 other IP addresses.
jack.ns.cloudflare.com resolves to 108.162.193.121, 172.64.33.121, 173.245.59.121 and 3 other IP addresses.
Mail Servers
Five mail servers handle factoryfour.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
factoryfour.com shares at least some of its mail servers with other domains โ for example ns500671.ns500671.ns500754.ns500688.ns500704.ns500705.ns500291.ns500678.ns500678.tenderladiesbz.com, ns500765.ns500699.ns500693.ns500699.ns500734.ns500588.ns500693.ns500632.ns500632.ns500588.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, ns500734.ns500693.ns500699.ns500693.ns500699.ns500734.ns500693.ns500693.ns500699.ns500699.ns500588.ns500632.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and two more.
It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.
Hosts with two IP numbers each:
aspmx.l.google.com points to 192.178.155.27 and 2607:f8b0:4004:c0b::1a.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.