sertms.com - robtex.com
sertms.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2a02:4780:4a:4ac1:6d4c:f8e6:4de7:cf86π¨πΎ IIHOS0012a02:4780:4a::/48 HOSTINGER US | ||||||
| A | 2a02:4780:4d:afd3:d9b0:4efb:fdac:8200π¨πΎ IIHOS0012a02:4780:4d::/48 HOSTINGER US | ||||||
| A | 145.223.124.24π³π± IIHOS001145.223.120.0/21 HOSTINGER US | ||||||
| A | 147.79.79.90πΊπΈ IIHOS001147.79.72.0/21 HOSTINGER US | ||||||
| NS | ns1.dns-parking.com β | ||||||
| A | 2400:cb00:2049:1::a29f:18c9πΊπΈ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.201Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dns-parking.com | ||||||
| NS | ns2.dns-parking.com | ||||||
| A | 2400:cb00:2049:1::a29f:192aπΊπΈ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.25.42Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dns-parking.com | ||||||
| MX | mx1.hostinger.com.br β | ||||||
| A | 2606:4700:90:0:c1f8:f874:2386:b61fπΊπΈ Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.65.182.103πΊπΈ Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-65-182-103.defastlink.net | ||||||
| MX | mx2.hostinger.com.br(10) | ||||||
| A | 2606:4700:90:0:c1f8:f874:2386:b61fπΊπΈ Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.65.182.103πΊπΈ Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-65-182-103.defastlink.net | ||||||
| TXT | v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all | ||||||
| TXT | v=spf1 include:_spf.mail.hostinger.com ~all | ||||||
| TXT | google-site-verification=YrwiGT0t1VXlQN9RGbu4nFjykHgwcT6rGs_ZEuVVFps | ||||||
| TXT | facebook-domain-verification=rausg97fd9sczmxa0b111dsg973bbn | ||||||
| SOA | ns1.dns-parking.comdns@hostinger.com 2026-03-19 #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=1771291435 | ||||||
Subdomains
www.sertms.com |
Same first word
sertms.com |
Similar names
DNS History
86 records (8 active, 78 former)
βNSns1.dns-parking.com2026-02-17 β 2026-03-24 Β· 3 obs
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βNSns1.dreamhost.com2016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βNSns2.dns-parking.com2026-02-17 β 2026-03-24 Β· 3 obs
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βNSns2.dreamhost.com2016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βNSns3.dreamhost.com2016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βMXmx1.hostinger.com.br2026-02-17 β 2026-03-24 Β· 6 obs
β 2026-02-17 03:25:18
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βMXmx2.hostinger.com.br2026-02-17 β 2026-03-24 Β· 6 obs
β 2026-02-17 03:25:18
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βMXvade-in1.mail.dreamhost.com2016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βMXvade-in2.mail.dreamhost.com2016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βA145.223.124.1082026-02-17 β 2026-03-24 Β· 2 obs
β 2026-03-24 03:59:44
βA145.223.124.1232026-03-18 β 2026-03-18 Β· 4 obs
β 2026-03-18 19:00:08
β 2026-03-23 01:16:38
β 2026-03-24 03:59:44
βA145.223.124.1242026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 00:49:24
β 2026-02-23 15:05:44
β 2026-03-24 03:59:44
βA145.223.124.1442026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 07:42:56
β 2026-03-23 11:06:48
β 2026-03-24 03:59:44
βA145.223.124.1552026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 18:32:12
β 2026-02-27 16:39:30
β 2026-03-24 03:59:44
βA145.223.124.242026-03-24 β 2026-03-24 Β· 3 obs
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA145.223.124.252026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βA145.223.124.482026-03-06 β 2026-03-06 Β· 4 obs
β 2026-03-06 15:53:14
β 2026-03-08 02:59:28
β 2026-03-24 03:59:44
βA145.223.124.582026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 01:16:38
β 2026-03-23 07:42:56
β 2026-03-24 03:59:44
βA147.79.72.1012026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 03:25:18
β 2026-02-19 00:49:24
β 2026-03-24 03:59:44
βA147.79.72.1282026-03-08 β 2026-03-08 Β· 4 obs
β 2026-03-08 02:59:28
β 2026-03-11 04:05:00
β 2026-03-24 03:59:44
βA147.79.72.1482026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 11:06:48
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA147.79.72.172026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 07:42:56
β 2026-03-23 11:06:48
β 2026-03-24 03:59:44
βA147.79.72.1782026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 01:16:38
β 2026-03-23 07:42:56
β 2026-03-24 03:59:44
βA147.79.72.182026-03-06 β 2026-03-06 Β· 4 obs
β 2026-03-06 15:53:14
β 2026-03-08 02:59:28
β 2026-03-24 03:59:44
βA147.79.72.2082026-03-17 β 2026-03-17 Β· 4 obs
β 2026-03-17 08:00:20
β 2026-03-18 19:00:08
β 2026-03-24 03:59:44
βA147.79.72.2212026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 20:20:06
β 2026-03-06 15:53:14
β 2026-03-24 03:59:44
βA147.79.72.2302026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 15:05:44
β 2026-02-23 18:32:12
β 2026-03-24 03:59:44
βA147.79.72.522026-03-18 β 2026-03-18 Β· 4 obs
β 2026-03-18 19:00:08
β 2026-03-23 01:16:38
β 2026-03-24 03:59:44
βA147.79.72.992026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-24 03:59:44
βA147.79.79.1132026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-24 03:59:44
βA147.79.79.1382026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 18:32:12
β 2026-02-27 16:39:30
β 2026-03-24 03:59:44
βA147.79.79.1882026-03-17 β 2026-03-17 Β· 4 obs
β 2026-03-17 08:00:20
β 2026-03-18 19:00:08
β 2026-03-24 03:59:44
βA147.79.79.2162026-03-08 β 2026-03-08 Β· 4 obs
β 2026-03-08 02:59:28
β 2026-03-11 04:05:00
β 2026-03-24 03:59:44
βA147.79.79.2332026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βA147.79.79.582026-03-11 β 2026-03-11 Β· 4 obs
β 2026-03-11 04:05:00
β 2026-03-17 08:00:20
β 2026-03-24 03:59:44
βA147.79.79.62026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 16:39:30
β 2026-03-01 04:17:18
β 2026-03-24 03:59:44
βA147.79.79.902026-03-24 β 2026-03-24 Β· 3 obs
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA147.79.79.922026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 04:17:18
β 2026-03-01 06:54:42
β 2026-03-24 03:59:44
βA2a02:4780:4a:358:843f:bbf1:17d9:7d902026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 20:20:06
β 2026-03-06 15:53:14
β 2026-03-24 03:59:44
βA2a02:4780:4a:4ac1:6d4c:f8e6:4de7:cf862026-03-24 β 2026-03-24 Β· 3 obs
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA2a02:4780:4a:776e:a2eb:60c:1b47:5db82026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 04:17:18
β 2026-03-01 06:54:42
β 2026-03-24 03:59:44
βA2a02:4780:4a:8c33:b256:dfb3:a975:961b2026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βA2a02:4780:4a:9a65:668:8a24:2187:81df2026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 07:42:56
β 2026-03-23 11:06:48
β 2026-03-24 03:59:44
βA2a02:4780:4a:adbf:4aa9:aa23:4cdc:fa9a2026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 11:06:48
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA2a02:4780:4a:d1b4:30c4:cb23:1e57:fdb52026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 18:32:12
β 2026-02-27 16:39:30
β 2026-03-24 03:59:44
βA2a02:4780:4a:d89f:6153:7136:fd66:31f72026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 15:05:44
β 2026-02-23 18:32:12
β 2026-03-24 03:59:44
βA2a02:4780:4a:eb01:3b1e:6e4f:7cc5:59552026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 01:16:38
β 2026-03-23 07:42:56
β 2026-03-24 03:59:44
βA2a02:4780:4a:f9f6:c10d:bd9c:ba3a:1eb42026-03-17 β 2026-03-17 Β· 4 obs
β 2026-03-17 08:00:20
β 2026-03-18 19:00:08
β 2026-03-24 03:59:44
βA2a02:4780:4b:270f:cf5c:d68:c85f:b5b92026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 07:42:56
β 2026-03-23 11:06:48
β 2026-03-24 03:59:44
βA2a02:4780:4b:3575:f412:325a:d262:44fa2026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 15:05:44
β 2026-02-23 18:32:12
β 2026-03-24 03:59:44
βA2a02:4780:4b:368d:d642:63c5:d5f5:3d0c2026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 01:16:38
β 2026-03-23 07:42:56
β 2026-03-24 03:59:44
βA2a02:4780:4b:4a82:c459:f172:5310:c42a2026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 09:10:28
β 2026-03-02 20:20:06
β 2026-03-24 03:59:44
βA2a02:4780:4b:68c1:533e:1ae3:2b65:21372026-03-06 β 2026-03-06 Β· 4 obs
β 2026-03-06 15:53:14
β 2026-03-08 02:59:28
β 2026-03-24 03:59:44
βA2a02:4780:4b:88a1:5155:df31:b0f:a65b2026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 20:20:06
β 2026-03-06 15:53:14
β 2026-03-24 03:59:44
βA2a02:4780:4b:c1a5:b955:8f12:30ed:2ba22026-03-18 β 2026-03-18 Β· 4 obs
β 2026-03-18 19:00:08
β 2026-03-23 01:16:38
β 2026-03-24 03:59:44
βA2a02:4780:4b:caa:5892:76e2:ef99:8d72026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 03:25:18
β 2026-02-19 00:49:24
β 2026-03-24 03:59:44
βA2a02:4780:4b:cd6f:4ca6:bab9:8691:c1292026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 16:39:30
β 2026-03-01 04:17:18
β 2026-03-24 03:59:44
βA2a02:4780:4b:cfe7:6fd7:c669:d9cf:537d2026-03-08 β 2026-03-08 Β· 4 obs
β 2026-03-08 02:59:28
β 2026-03-11 04:05:00
β 2026-03-24 03:59:44
βA2a02:4780:4b:d383:6ebb:28d7:7425:a6ad2026-03-11 β 2026-03-11 Β· 4 obs
β 2026-03-11 04:05:00
β 2026-03-17 08:00:20
β 2026-03-24 03:59:44
βA2a02:4780:4b:fda:41f4:d5cb:bf6b:76fd2026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 04:17:18
β 2026-03-01 06:54:42
β 2026-03-24 03:59:44
βA2a02:4780:4c:107e:9fa5:432b:7828:8fbd2026-03-11 β 2026-03-11 Β· 4 obs
β 2026-03-11 04:05:00
β 2026-03-17 08:00:20
β 2026-03-24 03:59:44
βA2a02:4780:4c:66ec:1193:c11d:3cfe:1ee22026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 16:39:30
β 2026-03-01 04:17:18
β 2026-03-24 03:59:44
βA2a02:4780:4c:7be9:6fac:aef5:44eb:df782026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-24 03:59:44
βA2a02:4780:4c:9165:4610:ddab:ba94:33e42026-02-17 β 2026-03-24 Β· 2 obs
β 2026-03-24 03:59:44
βA2a02:4780:4c:b345:981a:11ed:1a8c:5d9a2026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 00:49:24
β 2026-02-23 15:05:44
β 2026-03-24 03:59:44
βA2a02:4780:4c:c4c5:e081:96dd:b27c:f5142026-03-17 β 2026-03-17 Β· 4 obs
β 2026-03-17 08:00:20
β 2026-03-18 19:00:08
β 2026-03-24 03:59:44
βA2a02:4780:4c:c8bd:47:4956:5039:81552026-03-06 β 2026-03-06 Β· 4 obs
β 2026-03-06 15:53:14
β 2026-03-08 02:59:28
β 2026-03-24 03:59:44
βA2a02:4780:4c:f07:1996:254e:9ad5:67d42026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 11:06:48
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA2a02:4780:4d:1363:8e89:52fa:d68b:f9052026-03-08 β 2026-03-08 Β· 4 obs
β 2026-03-08 02:59:28
β 2026-03-11 04:05:00
β 2026-03-24 03:59:44
βA2a02:4780:4d:8942:3b63:d3d0:bc88:20752026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 00:49:24
β 2026-02-23 15:05:44
β 2026-03-24 03:59:44
βA2a02:4780:4d:9d04:c7c7:8764:5580:c5902026-03-18 β 2026-03-18 Β· 4 obs
β 2026-03-18 19:00:08
β 2026-03-23 01:16:38
β 2026-03-24 03:59:44
βA2a02:4780:4d:afd3:d9b0:4efb:fdac:82002026-03-24 β 2026-03-24 Β· 3 obs
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA2a02:4780:4d:b7e3:5aff:ee56:867e:65eb2026-02-17 β 2026-03-24 Β· 2 obs
β 2026-03-24 03:59:44
βA2a02:4780:4d:bb83:5355:1abc:a6e7:ca0a2026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 03:25:18
β 2026-02-19 00:49:24
β 2026-03-24 03:59:44
βA2a02:4780:4d:e8e9:d8e8:470f:fb1b:78982026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 06:54:42
β 2026-03-02 09:10:28
β 2026-03-24 03:59:44
βA2a02:4780:4d:fa28:7f76:c120:1ba0:88fb2026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 18:32:12
β 2026-02-27 16:39:30
β 2026-03-24 03:59:44
βA66.33.218.1702016-12-17 β 2017-08-06 Β· 4 obs
β 2017-08-06 16:10:56
β 2026-02-17 03:25:18
β 2026-03-24 03:59:44
βA88.223.87.1732026-02-17 β 2026-03-24 Β· 2 obs
β 2026-03-24 03:59:44
βA88.223.87.182026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 00:49:24
β 2026-02-23 15:05:44
β 2026-03-24 03:59:44
βA88.223.87.1842026-03-02 β 2026-03-02 Β· 4 obs
β 2026-03-02 20:20:06
β 2026-03-06 15:53:14
β 2026-03-24 03:59:44
βA88.223.87.2012026-02-23 β 2026-02-23 Β· 4 obs
β 2026-02-23 15:05:44
β 2026-02-23 18:32:12
β 2026-03-24 03:59:44
βA88.223.87.2142026-03-23 β 2026-03-23 Β· 4 obs
β 2026-03-23 11:06:48
β 2026-03-24 03:59:42
β 2026-03-24 03:59:44
βA88.223.87.2242026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 03:25:18
β 2026-02-19 00:49:24
β 2026-03-24 03:59:44
βA88.223.87.2352026-03-11 β 2026-03-11 Β· 4 obs
β 2026-03-11 04:05:00
β 2026-03-17 08:00:20
β 2026-03-24 03:59:44
βA88.223.87.412026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 16:39:30
β 2026-03-01 04:17:18
β 2026-03-24 03:59:44
βA88.223.87.882026-03-01 β 2026-03-01 Β· 4 obs
β 2026-03-01 04:17:18
β 2026-03-01 06:54:42
β 2026-03-24 03:59:44
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... | - |
| sertms.com | ns1.dns-parking.com, ns2.dns-parking.com | 4 records |
β Authoritative Response
Server:162.159.24.201
NS records: ns1.dns-parking.com, ns2.dns-parking.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sertms.com (unsigned zone)
β±οΈ Timing
Total: 287ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 88.223.87.119, 147.79.72.27 |
| AAAA | 2 | 2a02:4780:4d:3ce4:66cf:1333:f59d:56d2, 2a02:4780:4c:92af:1009:4ef6:f0ad:e52b |
| NS | 2 | ns2.dns-parking.com, ns1.dns-parking.com |
| MX | 2 | mx1.hostinger.com.br (pri: 5), mx2.hostinger.com.br (pri: 10) |
| TXT | 4 | facebook-domain-verification=rausg97fd9s, v=spf1 include:_spf.mail.hostinger.com ~... |
| SOA | 1 | ns1.dns-parking.com dns.hostinger.com |
π Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dns-parking.com, ns1.dns-parking.com, ns2.dns-parking.com...)
Analysis
Hierarchy
sertms.com is the parent of www.sertms.com.
IP Addresses
sertms.com resolves to four IPs: 2a02:4780:4a:4ac1:6d4c:f8e6:4de7:cf86, 2a02:4780:4d:afd3:d9b0:4efb:fdac:8200, 145.223.124.24 and 147.79.79.90.
Other host names, for instance indicatorfactory.com, mazistebuklai.lt, mycastle.in, dauren.com.br and eficientis.com share IP numbers with sertms.com.
Name Servers
sertms.com has two name servers: ns1.dns-parking.com and ns2.dns-parking.com.
sertms.com shares the same name server setup as other domains, for example jksolucoes.com.br, fieldofdreamsrv.com, webcour.com, gibsonad.com and jaydeo.in.
Host names with two IP numbers:
ns1.dns-parking.com points to: 2400:cb00:2049:1::a29f:18c9 and 162.159.24.201; ns2.dns-parking.com points to: 2400:cb00:2049:1::a29f:192a and 162.159.25.42.
Mail Servers
sertms.com is served by two mail servers: mx1.hostinger.com.br and mx2.hostinger.com.br.
sertms.com shares the mail server setup with other domains, for example cepafe.com.br, online.lazuedu.com, primedesp.com.br, rmrastreadores.com and bblife.com.br.
sertms.com shares some mail servers with other domains, at least partially; for instance homevr.com.br, admbens.com.br, cristaisconfusos.com, coffeebreakcuritiba.com.br and polocentralcursos.com.br.
Host names with two IP numbers: mx1.hostinger.com.br and mx2.hostinger.com.br point to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103. Host names that point to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com.br and mx2.hostinger.com.br. Host names that point to 172.65.182.103: mx1.hostinger.com.br and mx2.hostinger.com.br.