🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codebridge.app`

DNSSEC	⚠️ Not signed
A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
NS	`ns1.name.com` ⭐
		A	2a00:edc0:107::1^{🇺🇸 NSONE2a00:edc0:107::/48}
			PTR	`ns1.name.com`
			PTR	`ns1bcp.name.com`
			PTR	`ns1bdg.name.com`
			PTR	`ns1bqx.name.com`
			PTR	`ns1cmt.name.com`
			PTR	`ns1cnb.name.com`
			PTR	`ns1cny.name.com`
			PTR	`ns1crv.name.com`
			PTR	`ns1cvw.name.com`
			PTR	`ns1cwy.name.com`
			PTR	`ns1dhl.name.com`
			PTR	`ns1dhq.name.com`
			PTR	`ns1djs.name.com`
			PTR	`ns1dns.name.com`
			PTR	`ns1dnx.name.com`
			PTR	`ns1fkl.name.com`
			PTR	`ns1gjz.name.com`
			PTR	`ns1glr.name.com`
			PTR	`ns1gmz.name.com`
			PTR	`ns1hnx.name.com`
			PTR	`ns1hwy.name.com`
			PTR	`ns1jlp.name.com`
			PTR	`ns1jsv.name.com`
			PTR	`ns1kpv.name.com`
			PTR	`ns1ksz.name.com`
			PTR	`ns1kwy.name.com`
			PTR	`ns1lmy.name.com`
			PTR	`ns1mpz.name.com`
			PTR	`ns1mtw.name.com`
			PTR	`ns1ntw.name.com`
			PTR	`ns1psw.name.com`
			PTR	`ns1qsy.name.com`
			PTR	`ns1stv.name.com`
			PTR	`ns1vwx.name.com`
			PTR	`ns1.bl.ink`
		A	163.114.216.17^{🇺🇸 NSONE163.114.216.0/24}
			PTR	`ns1.name.com`
			PTR	`ns1bcp.name.com`
			PTR	`ns1bdg.name.com`
			PTR	`ns1bqx.name.com`
			PTR	`ns1cmt.name.com`
			PTR	`ns1cnb.name.com`
			PTR	`ns1cny.name.com`
			PTR	`ns1crv.name.com`
			PTR	`ns1cvw.name.com`
			PTR	`ns1cwy.name.com`
			PTR	`ns1dhl.name.com`
			PTR	`ns1dhq.name.com`
			PTR	`ns1djs.name.com`
			PTR	`ns1dns.name.com`
			PTR	`ns1dnx.name.com`
			PTR	`ns1fkl.name.com`
			PTR	`ns1gjz.name.com`
			PTR	`ns1glr.name.com`
			PTR	`ns1gmz.name.com`
			PTR	`ns1hnx.name.com`
			PTR	`ns1hwy.name.com`
			PTR	`ns1jlp.name.com`
			PTR	`ns1jsv.name.com`
			PTR	`ns1kpv.name.com`
			PTR	`ns1ksz.name.com`
			PTR	`ns1kwy.name.com`
			PTR	`ns1lmy.name.com`
			PTR	`ns1mpz.name.com`
			PTR	`ns1mtw.name.com`
			PTR	`ns1ntw.name.com`
			PTR	`ns1psw.name.com`
			PTR	`ns1qsy.name.com`
			PTR	`ns1stv.name.com`
			PTR	`ns1vwx.name.com`
			PTR	`ns1.bl.ink`
NS	`ns1cvw.name.com`
		A	2a00:edc0:107::1^{🇺🇸 NSONE2a00:edc0:107::/48}
			PTR	`ns1.name.com`
			PTR	`ns1bcp.name.com`
			PTR	`ns1bdg.name.com`
			PTR	`ns1bqx.name.com`
			PTR	`ns1cmt.name.com`
			PTR	`ns1cnb.name.com`
			PTR	`ns1cny.name.com`
			PTR	`ns1crv.name.com`
			PTR	`ns1cvw.name.com`
			PTR	`ns1cwy.name.com`
			PTR	`ns1dhl.name.com`
			PTR	`ns1dhq.name.com`
			PTR	`ns1djs.name.com`
			PTR	`ns1dns.name.com`
			PTR	`ns1dnx.name.com`
			PTR	`ns1fkl.name.com`
			PTR	`ns1gjz.name.com`
			PTR	`ns1glr.name.com`
			PTR	`ns1gmz.name.com`
			PTR	`ns1hnx.name.com`
			PTR	`ns1hwy.name.com`
			PTR	`ns1jlp.name.com`
			PTR	`ns1jsv.name.com`
			PTR	`ns1kpv.name.com`
			PTR	`ns1ksz.name.com`
			PTR	`ns1kwy.name.com`
			PTR	`ns1lmy.name.com`
			PTR	`ns1mpz.name.com`
			PTR	`ns1mtw.name.com`
			PTR	`ns1ntw.name.com`
			PTR	`ns1psw.name.com`
			PTR	`ns1qsy.name.com`
			PTR	`ns1stv.name.com`
			PTR	`ns1vwx.name.com`
			PTR	`ns1.bl.ink`
		A	163.114.216.17^{🇺🇸 NSONE163.114.216.0/24}
			PTR	`ns1.name.com`
			PTR	`ns1bcp.name.com`
			PTR	`ns1bdg.name.com`
			PTR	`ns1bqx.name.com`
			PTR	`ns1cmt.name.com`
			PTR	`ns1cnb.name.com`
			PTR	`ns1cny.name.com`
			PTR	`ns1crv.name.com`
			PTR	`ns1cvw.name.com`
			PTR	`ns1cwy.name.com`
			PTR	`ns1dhl.name.com`
			PTR	`ns1dhq.name.com`
			PTR	`ns1djs.name.com`
			PTR	`ns1dns.name.com`
			PTR	`ns1dnx.name.com`
			PTR	`ns1fkl.name.com`
			PTR	`ns1gjz.name.com`
			PTR	`ns1glr.name.com`
			PTR	`ns1gmz.name.com`
			PTR	`ns1hnx.name.com`
			PTR	`ns1hwy.name.com`
			PTR	`ns1jlp.name.com`
			PTR	`ns1jsv.name.com`
			PTR	`ns1kpv.name.com`
			PTR	`ns1ksz.name.com`
			PTR	`ns1kwy.name.com`
			PTR	`ns1lmy.name.com`
			PTR	`ns1mpz.name.com`
			PTR	`ns1mtw.name.com`
			PTR	`ns1ntw.name.com`
			PTR	`ns1psw.name.com`
			PTR	`ns1qsy.name.com`
			PTR	`ns1stv.name.com`
			PTR	`ns1vwx.name.com`
			PTR	`ns1.bl.ink`
NS	`ns2cqs.name.com`
		A	2402:cf80:107::1^{🇸🇬 NSONE2402:cf80:107::/48 INC. 55 Broad St 19th Fl}
			PTR	`ns2.name.com`
			PTR	`ns2bkr.name.com`
			PTR	`ns2bls.name.com`
			PTR	`ns2btz.name.com`
			PTR	`ns2ckr.name.com`
			PTR	`ns2clp.name.com`
			PTR	`ns2cqs.name.com`
			PTR	`ns2cvx.name.com`
			PTR	`ns2dfg.name.com`
			PTR	`ns2dhj.name.com`
			PTR	`ns2dky.name.com`
			PTR	`ns2dqr.name.com`
			PTR	`ns2dqx.name.com`
			PTR	`ns2fgp.name.com`
			PTR	`ns2fgv.name.com`
			PTR	`ns2fhn.name.com`
			PTR	`ns2fjz.name.com`
			PTR	`ns2fkr.name.com`
			PTR	`ns2fln.name.com`
			PTR	`ns2fwz.name.com`
			PTR	`ns2glx.name.com`
			PTR	`ns2gtx.name.com`
			PTR	`ns2hjl.name.com`
			PTR	`ns2hkt.name.com`
			PTR	`ns2jqz.name.com`
			PTR	`ns2jrt.name.com`
			PTR	`ns2knz.name.com`
			PTR	`ns2kqz.name.com`
			PTR	`ns2kry.name.com`
			PTR	`ns2lns.name.com`
			PTR	`ns2nsw.name.com`
			PTR	`ns2nsy.name.com`
			PTR	`ns2qvz.name.com`
			PTR	`ns2.bl.ink`
		A	163.114.216.49^{🇺🇸 NSONE163.114.216.0/24}
			PTR	`ns3.name.com`
			PTR	`ns3bfm.name.com`
			PTR	`ns3bgq.name.com`
			PTR	`ns3cfp.name.com`
			PTR	`ns3cgw.name.com`
			PTR	`ns3cjl.name.com`
			PTR	`ns3ckl.name.com`
			PTR	`ns3cna.name.com`
			PTR	`ns3cpr.name.com`
			PTR	`ns3cqz.name.com`
			PTR	`ns3dgj.name.com`
			PTR	`ns3dgr.name.com`
			PTR	`ns3dkz.name.com`
			PTR	`ns3dty.name.com`
			PTR	`ns3fgh.name.com`
			PTR	`ns3fgq.name.com`
			PTR	`ns3fhx.name.com`
			PTR	`ns3flt.name.com`
			PTR	`ns3fqs.name.com`
			PTR	`ns3ghw.name.com`
			PTR	`ns3gmt.name.com`
			PTR	`ns3gmv.name.com`
			PTR	`ns3gnv.name.com`
			PTR	`ns3gxy.name.com`
			PTR	`ns3hjx.name.com`
			PTR	`ns3jkl.name.com`
			PTR	`ns3jmt.name.com`
			PTR	`ns3jnr.name.com`
			PTR	`ns3jwx.name.com`
			PTR	`ns3npv.name.com`
			PTR	`ns3nrz.name.com`
			PTR	`ns3qtx.name.com`
			PTR	`ns3qty.name.com`
			PTR	`ns3sxz.name.com`
			PTR	`ns3.bl.ink`
NS	`ns3dkz.name.com`
		A	2a00:edc0:107::49^{🇺🇸 NSONE2a00:edc0:107::/48}
			PTR	`ns3.name.com`
			PTR	`ns3bfm.name.com`
			PTR	`ns3bgq.name.com`
			PTR	`ns3cfp.name.com`
			PTR	`ns3cgw.name.com`
			PTR	`ns3cjl.name.com`
			PTR	`ns3ckl.name.com`
			PTR	`ns3cna.name.com`
			PTR	`ns3cpr.name.com`
			PTR	`ns3cqz.name.com`
			PTR	`ns3dgj.name.com`
			PTR	`ns3dgr.name.com`
			PTR	`ns3dkz.name.com`
			PTR	`ns3dty.name.com`
			PTR	`ns3fgh.name.com`
			PTR	`ns3fgq.name.com`
			PTR	`ns3fhx.name.com`
			PTR	`ns3flt.name.com`
			PTR	`ns3fqs.name.com`
			PTR	`ns3ghw.name.com`
			PTR	`ns3gmt.name.com`
			PTR	`ns3gmv.name.com`
			PTR	`ns3gnv.name.com`
			PTR	`ns3gxy.name.com`
			PTR	`ns3hjx.name.com`
			PTR	`ns3jkl.name.com`
			PTR	`ns3jmt.name.com`
			PTR	`ns3jnr.name.com`
			PTR	`ns3jwx.name.com`
			PTR	`ns3npv.name.com`
			PTR	`ns3nrz.name.com`
			PTR	`ns3qtx.name.com`
			PTR	`ns3qty.name.com`
			PTR	`ns3sxz.name.com`
			PTR	`ns3.bl.ink`
		A	163.114.217.17^{🇺🇸 NSONE163.114.217.0/24}
			PTR	`ns2.name.com`
			PTR	`ns2bkr.name.com`
			PTR	`ns2bls.name.com`
			PTR	`ns2btz.name.com`
			PTR	`ns2ckr.name.com`
			PTR	`ns2clp.name.com`
			PTR	`ns2cqs.name.com`
			PTR	`ns2cvx.name.com`
			PTR	`ns2dfg.name.com`
			PTR	`ns2dhj.name.com`
			PTR	`ns2dky.name.com`
			PTR	`ns2dqr.name.com`
			PTR	`ns2dqx.name.com`
			PTR	`ns2fgp.name.com`
			PTR	`ns2fgv.name.com`
			PTR	`ns2fhn.name.com`
			PTR	`ns2fjz.name.com`
			PTR	`ns2fkr.name.com`
			PTR	`ns2fln.name.com`
			PTR	`ns2fwz.name.com`
			PTR	`ns2glx.name.com`
			PTR	`ns2gtx.name.com`
			PTR	`ns2hjl.name.com`
			PTR	`ns2hkt.name.com`
			PTR	`ns2jqz.name.com`
			PTR	`ns2jrt.name.com`
			PTR	`ns2knz.name.com`
			PTR	`ns2kqz.name.com`
			PTR	`ns2kry.name.com`
			PTR	`ns2lns.name.com`
			PTR	`ns2nsw.name.com`
			PTR	`ns2nsy.name.com`
			PTR	`ns2qvz.name.com`
			PTR	`ns2.bl.ink`
NS	`ns4gvx.name.com`
		A	2402:cf80:107::49^{🇸🇬 NSONE2402:cf80:107::/48 INC. 55 Broad St 19th Fl}
			PTR	`ns4.name.com`
			PTR	`ns4bfy.name.com`
			PTR	`ns4bht.name.com`
			PTR	`ns4blx.name.com`
			PTR	`ns4bty.name.com`
			PTR	`ns4cfn.name.com`
			PTR	`ns4cgs.name.com`
			PTR	`ns4cjp.name.com`
			PTR	`ns4clq.name.com`
			PTR	`ns4cpw.name.com`
			PTR	`ns4dfh.name.com`
			PTR	`ns4dls.name.com`
			PTR	`ns4dmx.name.com`
			PTR	`ns4fmw.name.com`
			PTR	`ns4fmx.name.com`
			PTR	`ns4fpy.name.com`
			PTR	`ns4fqz.name.com`
			PTR	`ns4ghm.name.com`
			PTR	`ns4gvx.name.com`
			PTR	`ns4hmp.name.com`
			PTR	`ns4hny.name.com`
			PTR	`ns4htz.name.com`
			PTR	`ns4jnz.name.com`
			PTR	`ns4jpz.name.com`
			PTR	`ns4kmw.name.com`
			PTR	`ns4kpx.name.com`
			PTR	`ns4ksy.name.com`
			PTR	`ns4lny.name.com`
			PTR	`ns4lpv.name.com`
			PTR	`ns4lqx.name.com`
			PTR	`ns4lrt.name.com`
			PTR	`ns4qxz.name.com`
			PTR	`ns4sxy.name.com`
			PTR	`ns4.bl.ink`
		A	163.114.217.49^{🇺🇸 NSONE163.114.217.0/24}
			PTR	`ns4.name.com`
			PTR	`ns4bfy.name.com`
			PTR	`ns4bht.name.com`
			PTR	`ns4blx.name.com`
			PTR	`ns4bty.name.com`
			PTR	`ns4cfn.name.com`
			PTR	`ns4cgs.name.com`
			PTR	`ns4cjp.name.com`
			PTR	`ns4clq.name.com`
			PTR	`ns4cpw.name.com`
			PTR	`ns4dfh.name.com`
			PTR	`ns4dls.name.com`
			PTR	`ns4dmx.name.com`
			PTR	`ns4fmw.name.com`
			PTR	`ns4fmx.name.com`
			PTR	`ns4fpy.name.com`
			PTR	`ns4fqz.name.com`
			PTR	`ns4ghm.name.com`
			PTR	`ns4gvx.name.com`
			PTR	`ns4hmp.name.com`
			PTR	`ns4hny.name.com`
			PTR	`ns4htz.name.com`
			PTR	`ns4jnz.name.com`
			PTR	`ns4jpz.name.com`
			PTR	`ns4kmw.name.com`
			PTR	`ns4kpx.name.com`
			PTR	`ns4ksy.name.com`
			PTR	`ns4lny.name.com`
			PTR	`ns4lpv.name.com`
			PTR	`ns4lqx.name.com`
			PTR	`ns4lrt.name.com`
			PTR	`ns4qxz.name.com`
			PTR	`ns4sxy.name.com`
			PTR	`ns4.bl.ink`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		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`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=hwqtQ79E-QBRFZ_kYE1h3CuqtcITovCnCbsq9gD7Pog`
TXT	`hosting-site=codebridge-22784`
TXT	`google-site-verification=AmxQu6rdQ1_JHTElZZo7REpb7IAd7dZcCXUIDq1WMbg`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.name.com`hostmaster@nsone.net serial=1739411277

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

Similar names

bridgecode.net

bigredcode.com

bridgecode.de

bridgecode.com

bridgecode.xyz

bridgecode.co.uk

bridgecode.app

bridgecode.mx

bridgecode.dev

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSns1.name.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●NSns1cvw.name.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●NSns2cqs.name.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●NSns3dkz.name.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●NSns4gvx.name.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●MXalt1.aspmx.l.google.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●MXalt2.aspmx.l.google.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●MXalt3.aspmx.l.google.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●MXalt4.aspmx.l.google.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●MXaspmx.l.google.com2026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

●A199.36.158.1002026-08-19 → 2026-08-25 · 2 obs

● 2026-08-19 08:27:28
● 2026-08-25 01:22:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
codebridge.app	ns4gvx.name.com, ns2cqs.name.com, ns3dkz.name.com, ns1cvw.name.com	-

✅ Authoritative Response

Server:163.114.216.17

NS records: ns4gvx.name.com, ns2cqs.name.com, ns3dkz.name.com, ns1cvw.name.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codebridge.app (unsigned zone)

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.36.158.100`
NS	4	`ns1cvw.name.com, ns2cqs.name.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	4	`google-site-verification=hwqtQ79E-QBRFZ_, hosting-site=codebridge-22784...`
SOA	1	`ns1.name.com hostmaster.nsone.net`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

codebridge.app resolves to one IP address: 199.36.158.100.

subbuapptech.in, paincurebd.com, siosturun.firebaseapp.com and two other host names share IP numbers with codebridge.app.

Name Servers

codebridge.app has five name servers, which are ns1.name.com, ns1cvw.name.com, ns2cqs.name.com and two others.

There is at least partial name server overlap between codebridge.app and other domains — natureseen.com, just5.com, mediolex.com and two more among them.

These name servers regularly appear alongside ns3dkz.name.com, ns4gvx.name.com, ns2kry.name.com and 7 other name servers in NS record sets.

Hostnames that resolve to two IP addresses:

ns1.name.com resolves to two addresses: 163.114.216.17 and 2a00:edc0:107::1.

ns1cvw.name.com resolves to two addresses: 163.114.216.17 and 2a00:edc0:107::1.

ns2cqs.name.com resolves to two addresses: 163.114.216.49 and 2402:cf80:107::1.

ns3dkz.name.com resolves to two addresses: 163.114.217.17 and 2a00:edc0:107::49.

ns4gvx.name.com resolves to two addresses: 163.114.217.49 and 2402:cf80:107::49.

ns1.name.com along with ns1cvw.name.com each resolve to 2a00:edc0:107::1 IP addresses.

ns1.name.com along with ns1cvw.name.com each resolve to 163.114.216.17 IP addresses.

Mail Servers

codebridge.app has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

codebridge.app has at least partial mail server overlap with other domains such as holistic.marketing, customdesignandfab.com, sterlhannfinancialgroup.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 4 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 172.253.63.26 and 2607:f8b0:4004:c25::1b.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.