mx.apptier.com - robtex.com

mx.apptier.com

DNSSEC⚠️ Not signed
A23.92.208.234πŸ‡ΊπŸ‡Έ DACENTEC-123.92.208.0/20 CUST-NET-9
MXmx00.1and1.com ⭐
A74.208.5.3πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.1and1.com(11)
A74.208.5.21πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net

apptier.com

DNSSEC⚠️ Not signed
A173.249.144.24πŸ‡ΊπŸ‡Έ VPS-1173.249.144.0/24 LiquidWeb SJC Network Block
NSns-us.1and1-dns.com ⭐ ⚠️ Not in parent delegation
NSns-us.1and1-dns.de ⚠️ Not in parent delegation
NSns-us.1and1-dns.org ⚠️ Not in parent delegation
NSns-us.1and1-dns.us ⚠️ Not in parent delegation
NSns27.1and1.com ⚠️ Not in zone NS records
NSns28.1and1.com ⚠️ Not in zone NS records
MXapptier-com.mail.protection.outlook.com ⭐
TXTbrevo-code:31af2ee073c4678654c0f6a91c00c1f9
TXTgub7jn9cimmgstgkc5cpii31mv.
TXTv=spf1 include:spf.protection.outlook.com -all
TXT0mypZY861PtjO18m27Pow99qk/u2kTNO7RppaZSyj1CMc2HBNWGqkZBZ22E1oKMTFd307IpS9VvGF...
TXTtn88iea4sl7frcjrvhd5jq6trn
TXTke63omctuu01u1d69mh7lngb9n
SOAns-us.1and1-dns.comhostmaster@1and1.com 2017-07-27 #19

Previously MX for

Same first word

Similar names

DNS History

5 records (3 active, 2 former)

200920112013201520172019202120232025MXmx00.1and1.commx01.1and1.comA23.92.208.234216.229.37.5223.31.95.81
●MXmx00.1and1.com2008-03-20 β†’ 2026-05-15 Β· 2 obs
● 2008-03-20 11:58:56
● 2026-05-15 00:35:18
●MXmx01.1and1.com2008-03-20 β†’ 2026-05-15 Β· 2 obs
● 2008-03-20 11:58:56
● 2026-05-15 00:35:18
β—‹A216.229.37.522008-03-20 β†’ 2008-03-20 Β· 3 obs
● 2008-03-20 11:58:56
β—‹ 2015-05-27 06:33:38
β—‹ 2026-05-15 00:35:18
β—‹A23.31.95.812015-05-27 β†’ 2016-04-04 Β· 5 obs
β—‹ 2008-03-20 11:58:56
● 2015-05-27 06:33:38
● 2016-04-04 05:47:18
β—‹ 2026-03-17 07:20:36
β—‹ 2026-05-15 00:35:18
●A23.92.208.2342026-03-17 β†’ 2026-05-15 Β· 3 obs
β—‹ 2016-04-04 05:47:18
● 2026-03-17 07:20:36
● 2026-05-15 00:35:18

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
apptier.comns27.1and1.com, ns28.1and1.com4 records

βœ… Authoritative Response

Server:217.160.82.38

NS records: ns27.1and1.com, ns28.1and1.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apptier.com (unsigned zone)

⏱️ Timing

Total: 1487ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A123.92.208.234
MX2mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 11)

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns27.1and1.com, ns27.1and1.com, ns28.1and1.com...)

Analysis

IP Addresses

mx.apptier.com points to a single IP address: 23.92.208.234.

Other host names, for instance mx2.apptier.com, share IP numbers with mx.apptier.com.

Mail Servers

mx.apptier.com is handled by two mail servers: mx00.1and1.com and mx01.1and1.com.

mx.apptier.com uses the same mail server setup as other domains, for instance worthily.com, jeffries.ca, gwsauctions.com, privatskinlab.de and remingtonrealtors.com.

mx.apptier.com shares at least some mail servers with other domains, for example i-spoke.com, mail.monolithic.net, creativegradient.com, u22953100.onlinehome-server.com and u21061904.onlinehome-server.com.

these mail servers are often used together with aspmx.l.google.com and alt1.aspmx.l.google.com.

Hostnames with a single IP

mx00.1and1.com resolves to: 74.208.5.3.

mx01.1and1.com resolves to: 74.208.5.21.