eferros.com - dns.ninja

eferros.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2fe3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::ac43:add1πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.47.227Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.173.209πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSdavid.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b98πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A2803:f800:50::6ca2:c198πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdavid.ns.cloudflare.com
A2a06:98c1:50::ac40:2198πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdavid.ns.cloudflare.com
A108.162.193.152πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A172.64.33.152πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A173.245.59.152πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
NSkeira.ns.cloudflare.com
A2606:4700:50::a29f:26ceπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A2803:f800:50::6ca2:c2ceπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeira.ns.cloudflare.com
A2a06:98c1:50::ac40:22ceπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRkeira.ns.cloudflare.com
A108.162.194.206πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A162.159.38.206Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A172.64.34.206πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
MX_dc-mx.af990ea92ae6.eferros.com ⭐
A2605:a142:2110:749::1πŸ‡ΊπŸ‡Έ CONTABO-USA2605:a142::/32 Contabo Inc. 710 N Tucker Blvd. STE 420 St. Louis, MO 63101 US
PTReferros.com
A85.239.231.60πŸ‡ΊπŸ‡Έ CONTABO-USA85.239.230.0/23
PTReferros.com
MXmail.eferros.com ⭐
A2605:a142:2110:749::1πŸ‡ΊπŸ‡Έ CONTABO-USA2605:a142::/32 Contabo Inc. 710 N Tucker Blvd. STE 420 St. Louis, MO 63101 US
PTReferros.com
A85.239.231.60πŸ‡ΊπŸ‡Έ CONTABO-USA85.239.230.0/23
PTReferros.com
MXmail.servidor.eferros.com ⭐
MXroute3.mx.cloudflare.net(11)
A2606:4700:f5::11πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute2.mx.cloudflare.net(17)
A2606:4700:f5::eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute1.mx.cloudflare.net(73)
A2606:4700:f5::bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
TXTgoogle-site-verification=zRMZdPbxfQZRtkA4qFfCwLYo1rJ8IXhv41j3_BH4ACo
TXTv=spf1 a mx ip4:85.239.231.60 +ip6:2605:a142:2110:0749:0000:0000:0000:0001 i...
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.47.227, 172.67.173.209
IPv6 hints2606:4700:3032::6815:2fe3, 2606:4700:3032::ac43:add1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOAdavid.ns.cloudflare.comdns@cloudflare.com serial=2410259875

com

PTR for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

40 records (12 active, 28 former)

20162017201820192020202120222023202420252026NSdavid.ns.cloudflare.comkeira.ns.cloudflare.comdns1.kinghost.com.brdns2.kinghost.com.brdns3.kinghost.com.brdns4.kinghost.com.brdns5.kinghost.com.brdns6.kinghost.com.brns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comns15.domaincontrol.comns16.domaincontrol.comns27.domaincontrol.comns28.domaincontrol.comMX_dc-mx.af990ea92ae6.eferros.commail.eferros.commail.servidor.eferros.comroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.neteferros.commailstore1.secureserver.netmx-vip-01-farm64.kinghost.netmx-vip-01.kinghost.netmx-vip-02-farm64.kinghost.netmx-vip-02.kinghost.netsmtp.secureserver.netA104.21.47.227172.67.173.2092606:4700:3032::6815:2fe32606:4700:3032::ac43:add1191.6.194.942605:a142:2110:749::12606:4700:3031::ac43:add12606:4700:3035::6815:2fe350.63.202.1950.63.202.985.239.231.60
●NSdavid.ns.cloudflare.com2026-06-29 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
● 2026-08-06 10:06:30
β—‹NSdns1.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹NSdns2.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹NSdns3.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹NSdns4.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹NSdns5.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹NSdns6.kinghost.com.br2015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
●NSkeira.ns.cloudflare.com2026-06-29 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
● 2026-08-06 10:06:30
β—‹NSns-cloud-b1.googledomains.com2026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
β—‹NSns-cloud-b2.googledomains.com2026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
β—‹NSns-cloud-b3.googledomains.com2026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
β—‹NSns-cloud-b4.googledomains.com2026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
β—‹NSns15.domaincontrol.com2016-03-30 β†’ 2016-03-30 Β· 4 obs
β—‹ 2015-12-17 14:41:10
● 2016-03-30 10:37:26
β—‹ 2017-04-03 21:48:32
β—‹ 2026-08-06 10:06:30
β—‹NSns16.domaincontrol.com2016-03-30 β†’ 2016-03-30 Β· 4 obs
β—‹ 2015-12-17 14:41:10
● 2016-03-30 10:37:26
β—‹ 2017-04-03 21:48:32
β—‹ 2026-08-06 10:06:30
β—‹NSns27.domaincontrol.com2017-04-03 β†’ 2017-04-03 Β· 4 obs
β—‹ 2016-03-30 10:37:26
● 2017-04-03 21:48:32
β—‹ 2026-02-22 08:29:36
β—‹ 2026-08-06 10:06:30
β—‹NSns28.domaincontrol.com2017-04-03 β†’ 2017-04-03 Β· 4 obs
β—‹ 2016-03-30 10:37:26
● 2017-04-03 21:48:32
β—‹ 2026-02-22 08:29:36
β—‹ 2026-08-06 10:06:30
●MX_dc-mx.af990ea92ae6.eferros.com2026-06-29 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
● 2026-08-06 10:06:30
β—‹MXeferros.com2026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
●MXmail.eferros.com2026-02-22 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-08-06 10:06:30
●MXmail.servidor.eferros.com2026-02-22 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-08-06 10:06:30
β—‹MXmailstore1.secureserver.net2016-03-30 β†’ 2016-03-30 Β· 4 obs
β—‹ 2015-12-17 14:41:10
● 2016-03-30 10:37:26
β—‹ 2017-04-03 21:48:32
β—‹ 2026-08-06 10:06:30
β—‹MXmx-vip-01-farm64.kinghost.net2015-12-17 β†’ 2017-04-03 Β· 6 obs
β—‹ 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
● 2017-04-03 21:48:32
β—‹ 2026-02-22 08:29:36
β—‹ 2026-08-06 10:06:30
β—‹MXmx-vip-01.kinghost.net2015-08-11 β†’ 2015-08-11 Β· 3 obs
● 2015-08-11 00:57:54
β—‹ 2015-12-17 14:41:10
β—‹ 2026-08-06 10:06:30
β—‹MXmx-vip-02-farm64.kinghost.net2015-12-17 β†’ 2017-04-03 Β· 6 obs
β—‹ 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
● 2017-04-03 21:48:32
β—‹ 2026-02-22 08:29:36
β—‹ 2026-08-06 10:06:30
β—‹MXmx-vip-02.kinghost.net2015-08-11 β†’ 2015-08-11 Β· 3 obs
● 2015-08-11 00:57:54
β—‹ 2015-12-17 14:41:10
β—‹ 2026-08-06 10:06:30
●MXroute1.mx.cloudflare.net2026-07-11 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-06-29 21:26:56
● 2026-07-11 01:46:24
● 2026-08-06 10:06:30
●MXroute2.mx.cloudflare.net2026-07-11 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-06-29 21:26:56
● 2026-07-11 01:46:24
● 2026-08-06 10:06:30
●MXroute3.mx.cloudflare.net2026-07-11 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-06-29 21:26:56
● 2026-07-11 01:46:24
● 2026-08-06 10:06:30
β—‹MXsmtp.secureserver.net2016-03-30 β†’ 2016-03-30 Β· 4 obs
β—‹ 2015-12-17 14:41:10
● 2016-03-30 10:37:26
β—‹ 2017-04-03 21:48:32
β—‹ 2026-08-06 10:06:30
●A104.21.47.2272026-06-29 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
● 2026-08-06 10:06:30
●A172.67.173.2092026-06-29 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
● 2026-08-06 10:06:30
β—‹A191.6.194.942015-08-11 β†’ 2015-12-17 Β· 4 obs
● 2015-08-11 00:57:54
● 2015-12-17 14:41:10
β—‹ 2016-03-30 10:37:26
β—‹ 2026-08-06 10:06:30
β—‹A2605:a142:2110:749::12026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30
β—‹A2606:4700:3031::ac43:add12026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
β—‹ 2026-07-11 01:46:24
β—‹ 2026-08-06 10:06:30
●A2606:4700:3032::6815:2fe32026-07-11 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-06-29 21:26:56
● 2026-07-11 01:46:24
● 2026-08-06 10:06:30
●A2606:4700:3032::ac43:add12026-07-11 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-06-29 21:26:56
● 2026-07-11 01:46:24
● 2026-08-06 10:06:30
β—‹A2606:4700:3035::6815:2fe32026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-27 01:14:12
● 2026-06-29 21:26:56
β—‹ 2026-07-11 01:46:24
β—‹ 2026-08-06 10:06:30
β—‹A50.63.202.192017-04-03 β†’ 2017-04-03 Β· 4 obs
β—‹ 2016-03-30 10:37:26
● 2017-04-03 21:48:32
β—‹ 2026-02-22 08:29:36
β—‹ 2026-08-06 10:06:30
β—‹A50.63.202.92016-03-30 β†’ 2016-03-30 Β· 4 obs
β—‹ 2015-12-17 14:41:10
● 2016-03-30 10:37:26
β—‹ 2017-04-03 21:48:32
β—‹ 2026-08-06 10:06:30
β—‹A85.239.231.602026-02-22 β†’ 2026-05-27 Β· 5 obs
β—‹ 2017-04-03 21:48:32
● 2026-02-22 08:29:36
● 2026-05-27 01:14:12
β—‹ 2026-06-29 21:26:56
β—‹ 2026-08-06 10:06:30

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
eferros.comdavid.ns.cloudflare.com, keira.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.193.152

NS records: david.ns.cloudflare.com, keira.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for eferros.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.47.227, 172.67.173.209
AAAA22606:4700:3032::ac43:add1, 2606:4700:3032::6815:2fe3
NS2david.ns.cloudflare.com, keira.ns.cloudflare.com
MX6_dc-mx.af990ea92ae6.eferros.com (pri: 10, mail.eferros.com (pri: 10)...
TXT2google-site-verification=zRMZdPbxfQZRtkA, v=spf1 a mx ip4:85.239.231.60 +ip6:2605:
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1david.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (david.ns.cloudflare.com, david.ns.cloudflare.com, david.ns.cloudflare.com...)

Analysis

Hierarchy

mail.eferros.com is delegated beneath eferros.com.

IP Addresses

eferros.com directs to four IP numbers, which are 104.21.47.227, 172.67.173.209, 2606:4700:3032::6815:2fe3 and 2606:4700:3032::ac43:add1.

Two other host names, along with ovhy-adguard.pro, himen.info and salon2hairdressing.co.uk, also share IP numbers with eferros.com.

Name Servers

eferros.com uses two name servers for its delegation: david.ns.cloudflare.com and keira.ns.cloudflare.com.

eferros.com shares its NS records with other domains, for example 77788212.com, bisnis4d.bio, ggnandez.casa and two others.

There is at least partial name server overlap between eferros.com and other domains β€” jamaicaswampsafari.com, ad-control-hub-dashboard.pages.dev, dolle.cz and two more among them.

DNS names with 6 IP addresses:

Hostname david.ns.cloudflare.com directs to 108.162.193.152, 172.64.33.152 and 173.245.59.152 along with 3 other IP addresses.

Hostname keira.ns.cloudflare.com directs to 108.162.194.206, 162.159.38.206 and 172.64.34.206 along with 3 other IP addresses.

Mail Servers

eferros.com accepts email via 6 mail servers: mail.eferros.com, _dc-mx.af990ea92ae6.eferros.com, mail.servidor.eferros.com and 3 other.

There is at least a partial MX overlap between eferros.com and other domains, including kosmiczne.info, de-brauwer.be, hoganleather.com and two others.

These mail servers are routinely found in combination with the mail servers route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Host names that have two IP addresses:

mail.eferros.com directs traffic to 85.239.231.60 and 2605:a142:2110:749::1.

_dc-mx.af990ea92ae6.eferros.com directs traffic to 85.239.231.60 and 2605:a142:2110:749::1.

DNS names with 6 IP addresses:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

Both mail.eferros.com and _dc-mx.af990ea92ae6.eferros.com resolve to 2605:a142:2110:749::1 IP addresses each.

Both mail.eferros.com and _dc-mx.af990ea92ae6.eferros.com resolve to 85.239.231.60 IP addresses each.