mapbox.com - dns.ninja
mapbox.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 151.101.0.143πΊπΈ Fastly151.101.0.0/22 | ||||||
| A | 151.101.64.143πΊπΈ Fastly151.101.64.0/22 | ||||||
| A | 151.101.128.143πΊπΈ Fastly151.101.128.0/22 | ||||||
| A | 151.101.192.143πΊπΈ Fastly151.101.192.0/22 | ||||||
| NS | ns-553.awsdns-05.net β | ||||||
| A | 2600:9000:5302:2900::1πΊπΈ Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-553.awsdns-05.net | ||||||
| A | 205.251.194.41πΊπΈ Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-553.awsdns-05.net | ||||||
| NS | ns-1401.awsdns-47.org | ||||||
| A | 2600:9000:5305:7900::1πΊπΈ Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1401.awsdns-47.org | ||||||
| A | 205.251.197.121πΊπΈ Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1401.awsdns-47.org | ||||||
| NS | ns-1742.awsdns-25.co.uk | ||||||
| A | 2600:9000:5306:ce00::1πΊπΈ Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1742.awsdns-25.co.uk | ||||||
| A | 205.251.198.206πΊπΈ Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1742.awsdns-25.co.uk | ||||||
| NS | ns-447.awsdns-55.com | ||||||
| A | 2600:9000:5301:bf00::1πΊπΈ Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-447.awsdns-55.com | ||||||
| A | 205.251.193.191πΊπΈ Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-447.awsdns-55.com | ||||||
| MX | smtp.google.com β | ||||||
| A | 2607:f8b0:4004:c08::1bπΊπΈ Google2607:f8b0:4004::/48 | ||||||
| PTR | bi-in-f27.1e100.net | ||||||
| A | 2607:f8b0:4004:c09::1aπΊπΈ Google2607:f8b0:4004::/48 | ||||||
| PTR | bh-in-f26.1e100.net | ||||||
| A | 2607:f8b0:4004:c23::1aπΊπΈ Google2607:f8b0:4004::/48 | ||||||
| PTR | yuiadrs-in-f26.1e100.net | ||||||
| A | 2607:f8b0:4004:c23::1bπΊπΈ Google2607:f8b0:4004::/48 | ||||||
| PTR | yuiadrs-in-f27.1e100.net | ||||||
| A | 172.253.63.26πΊπΈ Google172.253.63.0/24 | ||||||
| PTR | bi-in-f26.1e100.net | ||||||
| A | 172.253.63.27πΊπΈ Google172.253.63.0/24 | ||||||
| PTR | bi-in-f27.1e100.net | ||||||
| A | 172.253.122.27πΊπΈ Google172.253.122.0/24 | ||||||
| PTR | bh-in-f27.1e100.net | ||||||
| A | 192.178.155.26πΊπΈ Google192.178.155.0/24 | ||||||
| PTR | yuiadrs-in-f26.1e100.net | ||||||
| A | 192.178.155.27πΊπΈ Google192.178.155.0/24 | ||||||
| PTR | yuiadrs-in-f27.1e100.net | ||||||
| TXT | MFC=83cb4b0d-7bd8-44b7-8136-a3a631bc2be3 | ||||||
| TXT | airalo-domain-verification=cZovASgg92EUOYc | ||||||
| TXT | amazonses:DUgwDlPbjgaaBr0W49jhopcD0ngtjkUepvfzzE9m3YY= | ||||||
| TXT | anthropic-domain-verification-f4t3h9=Zy6P3HBZzjatEHw1SEzGXeA2c | ||||||
| TXT | astro-domain-verification=cmnhs37pl19oe01nker6xbmhi | ||||||
| TXT | atlassian-domain-verification=JkgJDErZWhbSl4uAp/FBoVm78AAd3LT9Et8uA6JZnEBF/c4... | ||||||
| TXT | atlassian-sending-domain-verification=04eeb6f4-a962-444c-a3a4-9675eb58287a | ||||||
| TXT | box-domain-verification=80823bdcceb25453f69ffa2aa3bc54547fc477ccfa4bee3ccc4b0... | ||||||
| TXT | cursor-domain-verification-p8nekq=cvrXP2QRBWPoWdyZPMMPIoiXD | ||||||
| TXT | docker-verification=3bd2f441-6e72-48c6-ac7f-4f3e1701584e | ||||||
| TXT | google-site-verification=qDcIaKkjkY2kFyq9GrAvjvsehZbNQPGK9SFMb3sghaU | ||||||
| TXT | jamf-site-verification=-eZTdCvucawDTP3oux7gsA | ||||||
| TXT | perplexity-ai-domain-verification-5kp2fz=syH1st1u5jc3P3QiX1Zh62Lz6 | ||||||
| TXT | rippling-domain-verification=f9a331f99d955f27 | ||||||
| TXT | segment-site-verification=Fd7NfLzf0lWnb2fwI6xUcYhqvlFU26JI | ||||||
| TXT | slack-domain-verification=TPSYhNuEXVwgdjVpNxyCaRmTzXoOn8KtS2e2of8C | ||||||
| TXT | status-page-domain-verification=lphyl16pdf94 | ||||||
| TXT | stripe-verification=6f12d079a0df273a6e5abfd7767d8fd5de22ce0f9051369c363c7ab59... | ||||||
| TXT | stripe-verification=b37db95ccb246d691c6f70e1c8f5bf738f9b74b117246a5ade6030c4a... | ||||||
| TXT | v=spf1 include:_spf.google.com include:stspg-customer.com include:customeriom... | ||||||
| SOA | ns-553.awsdns-05.netawsdns-hostmaster@amazon.com serial=1 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| 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=1785852349 | ||||||
rank #1692 in the tld
WOT: SAFE (93/100)
π Tranco rank: #1,892
Mapbox
Mapbox is a location intelligence platform providing mapping, navigation, and geospatial data services to developers, automakers, and enterprises worldwide. Originally founded as a small team building mapping tools for international development organizationsβincluding the United Nations, World Bank, USAID, and Doctors Without Bordersβthe company has grown into a global platform serving over half a billion monthly active users.
Products & Services
- Maps & Visualization: Mapbox GL JS for web, Mobile SDKs for iOS/Android, Studio for custom map design, 3D landmarks and building facades
- Navigation: Automotive navigation systems, mobile routing, EV-specific navigation, Matrix API for travel time calculations
- Search & Geocoding: Address validation, Search Box, Address Autofill
- Location AI: MapGPT AI assistant, Feedback Agent
- Data Products: Live and historical traffic data, population movement patterns, boundary datasets
Notable Customers
BMW, DoorDash, Instacart, Strava, AccuWeather, Booking.com, Skyscanner, Adobe, T-Mobile, The Weather Company, and Yahoo Japan.
Infrastructure
- DNS: Hosted on AWS Route 53 (ns-553.awsdns-05.net, ns-447.awsdns-55.com, ns-1401.awsdns-47.org, ns-1742.awsdns-25.co.uk)
- Web Hosting: Fastly CDN (AS54113) with anycast IPs 151.101.0.143, 151.101.64.143, 151.101.128.143, 151.101.192.143
- Email: Google Workspace (7 MX records including aspmx.l.google.com)
- DNSSEC: Not signed
Previously MX for
Subdomains
Same first word
Similar names
ampbox.jp |
pmabox.com |
mobaxp.com |
apmbox.com |
ampbox.com |
apmbox.net |
boxamp.com |
pambox.com |
boxmap.ru |
mbaxpo.com |
boxmap.com |
DNS History
59 records (9 active, 50 former)
βNSns-1401.awsdns-47.org2015-08-19 β 2026-08-04 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βNSns-1742.awsdns-25.co.uk2015-08-19 β 2026-08-04 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βNSns-447.awsdns-55.com2015-08-19 β 2026-08-04 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βNSns-553.awsdns-05.net2015-08-19 β 2026-08-04 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βNSns1.sedoparking.com2008-03-19 β 2008-03-19 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βNSns2.sedoparking.com2008-03-19 β 2008-03-19 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
βMXalt1.aspmx.l.google.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-01 07:59:46
β 2026-08-04 14:35:12
βMXalt2.aspmx.l.google.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-01 07:59:46
β 2026-08-04 14:35:12
βMXaspmx.l.google.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-01 07:59:46
β 2026-08-04 14:35:12
βMXaspmx2.googlemail.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-07-30 22:01:30
β 2026-08-04 14:35:12
βMXaspmx3.googlemail.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-07-30 22:01:30
β 2026-08-04 14:35:12
βMXaspmx4.googlemail.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-07-30 22:01:30
β 2026-08-04 14:35:12
βMXaspmx5.googlemail.com2015-08-19 β 2026-07-08 Β· 7 obs
β 2015-08-19 03:44:16
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-07-30 22:01:30
β 2026-08-04 14:35:12
βMXms40215048.msv1.invalid2015-12-28 β 2016-01-09 Β· 5 obs
β 2015-12-28 06:43:52
β 2016-01-09 05:37:44
β 2016-02-13 19:13:36
β 2026-08-04 14:35:12
βMXsmtp.google.com2026-07-30 β 2026-08-04 Β· 3 obs
β 2026-07-30 22:01:30
β 2026-08-04 14:35:12
βA13.58.172.1622018-01-15 β 2018-01-15 Β· 4 obs
β 2018-01-15 13:18:26
β 2018-05-22 19:11:08
β 2026-08-04 14:35:12
βA13.58.44.1982017-07-27 β 2017-07-27 Β· 4 obs
β 2017-07-27 02:15:58
β 2017-11-09 16:15:58
β 2026-08-04 14:35:12
βA13.59.201.2172018-08-27 β 2018-08-27 Β· 4 obs
β 2018-08-27 16:58:40
β 2018-08-29 21:32:40
β 2026-08-04 14:35:12
βA13.59.208.742017-11-30 β 2017-11-30 Β· 4 obs
β 2017-11-30 09:04:48
β 2018-01-15 13:18:26
β 2026-08-04 14:35:12
βA13.59.67.1522017-07-27 β 2017-07-27 Β· 4 obs
β 2017-07-27 02:15:58
β 2017-11-09 16:15:58
β 2026-08-04 14:35:12
βA151.101.0.1432021-04-09 β 2026-08-04 Β· 6 obs
β 2021-04-09 22:53:04
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-04 14:35:12
βA151.101.128.1432021-04-09 β 2026-08-04 Β· 6 obs
β 2021-04-09 22:53:04
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-04 14:35:12
βA151.101.192.1432021-04-09 β 2026-08-04 Β· 6 obs
β 2021-04-09 22:53:04
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-04 14:35:12
βA151.101.64.1432021-04-09 β 2026-08-04 Β· 6 obs
β 2021-04-09 22:53:04
β 2021-12-05 11:20:00
β 2026-07-08 03:52:52
β 2026-07-08 05:20:36
β 2026-08-04 14:35:12
βA18.218.218.652018-05-22 β 2018-05-22 Β· 4 obs
β 2018-05-22 19:11:08
β 2018-08-27 16:58:40
β 2026-08-04 14:35:12
βA18.220.112.1902018-08-27 β 2018-08-29 Β· 5 obs
β 2018-08-27 16:58:40
β 2018-08-29 21:32:40
β 2019-12-28 12:20:50
β 2026-08-04 14:35:12
βA18.220.241.282018-01-15 β 2018-01-15 Β· 4 obs
β 2018-01-15 13:18:26
β 2018-05-22 19:11:08
β 2026-08-04 14:35:12
βA18.222.59.1692018-05-22 β 2018-05-22 Β· 4 obs
β 2018-05-22 19:11:08
β 2018-08-27 16:58:40
β 2026-08-04 14:35:12
βA23.21.140.62015-08-19 β 2015-08-19 Β· 4 obs
β 2015-08-19 03:44:16
β 2017-02-05 21:54:06
β 2026-08-04 14:35:12
βA23.21.4.832016-10-03 β 2016-10-03 Β· 4 obs
β 2016-10-03 10:36:28
β 2016-11-17 13:23:52
β 2026-08-04 14:35:12
βA23.21.63.492015-08-19 β 2015-08-19 Β· 4 obs
β 2015-08-19 03:44:16
β 2015-10-30 09:25:10
β 2026-08-04 14:35:12
βA3.136.0.2422019-12-28 β 2019-12-28 Β· 4 obs
β 2019-12-28 12:20:50
β 2020-06-11 04:49:06
β 2026-08-04 14:35:12
βA3.18.15.1112020-06-11 β 2020-06-11 Β· 4 obs
β 2020-06-11 04:49:06
β 2021-04-09 22:53:04
β 2026-08-04 14:35:12
βA3.19.236.1462019-12-28 β 2019-12-28 Β· 4 obs
β 2019-12-28 12:20:50
β 2020-06-11 04:49:06
β 2026-08-04 14:35:12
βA3.19.86.1792020-06-11 β 2020-06-11 Β· 4 obs
β 2020-06-11 04:49:06
β 2021-04-09 22:53:04
β 2026-08-04 14:35:12
βA3.23.34.612020-06-11 β 2020-06-11 Β· 4 obs
β 2020-06-11 04:49:06
β 2021-04-09 22:53:04
β 2026-08-04 14:35:12
βA34.192.125.1982017-02-05 β 2017-03-24 Β· 5 obs
β 2017-02-05 21:54:06
β 2017-03-24 21:50:56
β 2017-04-14 15:58:12
β 2026-08-04 14:35:12
βA34.192.76.1452017-02-05 β 2017-03-16 Β· 5 obs
β 2017-02-05 21:54:06
β 2017-03-16 08:38:58
β 2017-03-24 21:50:56
β 2026-08-04 14:35:12
βA34.196.73.192017-04-14 β 2017-05-11 Β· 5 obs
β 2017-04-14 15:58:12
β 2017-05-11 08:19:44
β 2017-07-27 02:15:58
β 2026-08-04 14:35:12
βA52.14.159.622018-08-27 β 2018-08-29 Β· 5 obs
β 2018-08-27 16:58:40
β 2018-08-29 21:32:40
β 2019-12-28 12:20:50
β 2026-08-04 14:35:12
βA52.14.21.2112017-11-09 β 2017-11-30 Β· 5 obs
β 2017-11-09 16:15:58
β 2017-11-30 09:04:48
β 2018-01-15 13:18:26
β 2026-08-04 14:35:12
βA52.14.219.1122018-05-22 β 2018-05-22 Β· 4 obs
β 2018-05-22 19:11:08
β 2018-08-27 16:58:40
β 2026-08-04 14:35:12
βA52.14.238.412019-12-28 β 2019-12-28 Β· 4 obs
β 2019-12-28 12:20:50
β 2020-06-11 04:49:06
β 2026-08-04 14:35:12
βA52.15.126.742017-11-09 β 2017-11-09 Β· 4 obs
β 2017-11-09 16:15:58
β 2017-11-26 19:49:56
β 2026-08-04 14:35:12
βA52.15.156.2182018-01-15 β 2018-01-15 Β· 4 obs
β 2018-01-15 13:18:26
β 2018-05-22 19:11:08
β 2026-08-04 14:35:12
βA52.15.214.912017-07-27 β 2017-07-27 Β· 4 obs
β 2017-07-27 02:15:58
β 2017-11-09 16:15:58
β 2026-08-04 14:35:12
βA52.15.222.1982017-11-09 β 2017-11-30 Β· 5 obs
β 2017-11-09 16:15:58
β 2017-11-30 09:04:48
β 2018-01-15 13:18:26
β 2026-08-04 14:35:12
βA52.204.145.912016-11-17 β 2016-11-17 Β· 4 obs
β 2016-11-17 13:23:52
β 2016-11-25 10:15:54
β 2026-08-04 14:35:12
βA52.206.162.1522017-02-05 β 2017-03-24 Β· 5 obs
β 2017-02-05 21:54:06
β 2017-03-24 21:50:56
β 2017-04-14 15:58:12
β 2026-08-04 14:35:12
βA52.22.186.1132016-10-03 β 2016-10-03 Β· 4 obs
β 2016-10-03 10:36:28
β 2016-11-17 13:23:52
β 2026-08-04 14:35:12
βA52.73.49.742016-11-25 β 2017-01-05 Β· 5 obs
β 2016-11-25 10:15:54
β 2017-01-05 06:16:08
β 2017-02-05 21:54:06
β 2026-08-04 14:35:12
βA54.165.107.202017-04-14 β 2017-05-11 Β· 5 obs
β 2017-04-14 15:58:12
β 2017-05-11 08:19:44
β 2017-07-27 02:15:58
β 2026-08-04 14:35:12
βA54.191.124.262015-10-30 β 2016-09-08 Β· 5 obs
β 2015-10-30 09:25:10
β 2016-09-08 02:39:48
β 2016-10-03 10:36:28
β 2026-08-04 14:35:12
βA54.200.112.1982015-10-30 β 2016-09-08 Β· 5 obs
β 2015-10-30 09:25:10
β 2016-09-08 02:39:48
β 2016-10-03 10:36:28
β 2026-08-04 14:35:12
βA54.84.163.1812017-04-14 β 2017-05-11 Β· 5 obs
β 2017-04-14 15:58:12
β 2017-05-11 08:19:44
β 2017-07-27 02:15:58
β 2026-08-04 14:35:12
βA54.84.218.912016-10-03 β 2016-10-03 Β· 4 obs
β 2016-10-03 10:36:28
β 2016-11-17 13:23:52
β 2026-08-04 14:35:12
βA54.85.129.612016-11-25 β 2017-01-05 Β· 5 obs
β 2016-11-25 10:15:54
β 2017-01-05 06:16:08
β 2017-02-05 21:54:06
β 2026-08-04 14:35:12
βA54.89.40.1422016-11-17 β 2017-01-05 Β· 5 obs
β 2016-11-17 13:23:52
β 2017-01-05 06:16:08
β 2017-02-05 21:54:06
β 2026-08-04 14:35:12
βA82.98.86.1672008-03-19 β 2008-03-19 Β· 3 obs
β 2015-08-19 03:44:16
β 2026-08-04 14:35:12
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mapbox.com | ns-553.awsdns-05.net, ns-447.awsdns-55.com, ns-1742.awsdns-25.co.uk, ns-1401.awsdns-47.org | 2 records |
β Authoritative Response
Server:205.251.194.41
NS records: ns-553.awsdns-05.net, ns-447.awsdns-55.com, ns-1742.awsdns-25.co.uk, ns-1401.awsdns-47.org
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mapbox.com (unsigned zone)
β±οΈ Timing
Total: 471ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 151.101.192.143, 151.101.64.143... |
| NS | 4 | ns-1401.awsdns-47.org, ns-1742.awsdns-25.co.uk... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 20 | MFC=83cb4b0d-7bd8-44b7-8136-a3a631bc2be3, airalo-domain-verification=cZovASgg92EUO... |
| SOA | 1 | ns-553.awsdns-05.net awsdns-hostmaster.a |
π Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-447.awsdns-55.com, ns-447.awsdns-55.com)
Analysis
Hierarchy
mapbox.com is a parent domain; its children include js.mapbox.com, search-events-production.mapbox.com, api-streets-review-moles-prod.mapbox.com, retool-custom-components-prod.mapbox.com, api-valhalla-route-production.mapbox.com and a few other host names.
IP Addresses
mapbox.com has four IP addresses: 151.101.0.143, 151.101.64.143, 151.101.128.143 and 151.101.192.143.
There are other host names β mcpan.org among them β that share IP numbers with mapbox.com.
Name Servers
The NS records for mapbox.com point to four name servers: ns-447.awsdns-55.com, ns-553.awsdns-05.net, ns-1401.awsdns-47.org and ns-1742.awsdns-25.co.uk.
mapbox.com partially shares its NS delegation with several other domains, including d1i69wzf0q9yvg.cloudfront.net, tremulaes.com, codingame.io and two others.
ns-447.awsdns-55.com, ns-553.awsdns-05.net, ns-1401.awsdns-47.org and ns-1742.awsdns-25.co.uk each carry two IP addresses. ns-447.awsdns-55.com has 205.251.193.191 and 2600:9000:5301:bf00::1; ns-553.awsdns-05.net has 205.251.194.41 and 2600:9000:5302:2900::1; ns-1401.awsdns-47.org has 205.251.197.121 and 2600:9000:5305:7900::1; ns-1742.awsdns-25.co.uk has 205.251.198.206 and 2600:9000:5306:ce00::1.
Mail Servers
The sole mail server for mapbox.com is smtp.google.com.
Among the domains sharing a mail server setup with mapbox.com are uicccf.org, accuratetax.com, eco-domi.com and two others.
There is at least a partial MX overlap between mapbox.com and other domains, including koekie.co.za, seerq.com, trybec.ca and two others.
These mail servers frequently co-occur with the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com and two others.
With 9 IP addresses total, smtp.google.com resolves to 172.253.63.26, 172.253.63.27, 172.253.122.27 and 6 others.