sertech.com - robtex.com

sertech.com

DNSSEC⚠️ Not signed
A74.113.59.25πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTR74_113_59_25.sertechnology.h5colo.com
NSdns1.sertech.net ⭐ ⚠️ Not in zone NS records
A74.113.59.6πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTRdns1.sertech.net
NSdns1.sertech.com ⚠️ Not in parent delegation
A74.113.59.6πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTRdns1.sertech.net
NSdns2.sertech.com ⚠️ Not in parent delegation
A74.113.59.6πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTRdns1.sertech.net
NSdns2.sertech.net ⚠️ Not in zone NS records
A74.113.59.19πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTR74_113_59_19.sertechnology.h5colo.com
NSns01.sertech.com ⚠️ Not in parent delegation
A74.113.59.6πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTRdns1.sertech.net
NSns02.sertech.com ⚠️ Not in parent delegation
A74.113.59.6πŸ‡ΊπŸ‡Έ AS3189374.113.56.0/21 H5
PTRdns1.sertech.net
MXsertech-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c922::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bl0pr03cu00200.inbound.protection.outlook.com
A2a01:111:f403:c936::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-cy1pr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:c946::4πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:f802::3πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sj0pr03cu01403.inbound.protection.outlook.com
A52.101.10.12πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn1pr21cu00204.inbound.protection.outlook.com
A52.101.10.18πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr05cu00302.inbound.protection.outlook.com
A52.101.11.10πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr03cu00202.inbound.protection.outlook.com
A52.101.11.19πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
TXTk4unpmoracbue4g2o54otf9ukp
TXTMS=ms83564142
TXTv=spf1 a mx ip4:74.113.59.1/24 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:4...
TXTrii2ifhlat4eu7gcfnn4njpfd0
SOAdns1.sertech.netdns2@sertech.com serial=1340124621

com

Subdomains

Same first word

Similar names

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSdns1.sertech.comdns1.sertech.netdns2.sertech.comdns2.sertech.netns01.sertech.comns02.sertech.comns01.sertech.netns02.sertech.netMXsertech-com.mail.protection.outlook.comcluster4.us.messagelabs.comcluster4a.us.messagelabs.comA74.113.59.2574.113.59.12
●NSdns1.sertech.com2026-02-17 β†’ 2026-08-11 Β· 6 obs
β—‹ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12
●NSdns1.sertech.net2015-08-24 β†’ 2026-08-11 Β· 2 obs
● 2015-08-24 02:31:58
● 2026-08-11 16:26:12
●NSdns2.sertech.com2026-02-17 β†’ 2026-08-11 Β· 6 obs
β—‹ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12
●NSdns2.sertech.net2015-08-24 β†’ 2026-08-11 Β· 2 obs
● 2015-08-24 02:31:58
● 2026-08-11 16:26:12
●NSns01.sertech.com2026-02-17 β†’ 2026-08-11 Β· 6 obs
β—‹ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12
β—‹NSns01.sertech.net2016-08-26 β†’ 2020-11-30 Β· 5 obs
β—‹ 2015-08-24 02:31:58
● 2016-08-26 16:02:56
● 2020-11-30 04:14:44
β—‹ 2026-02-17 22:17:30
β—‹ 2026-08-11 16:26:12
●NSns02.sertech.com2026-02-17 β†’ 2026-08-11 Β· 6 obs
β—‹ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12
β—‹NSns02.sertech.net2016-08-26 β†’ 2020-11-30 Β· 5 obs
β—‹ 2015-08-24 02:31:58
● 2016-08-26 16:02:56
● 2020-11-30 04:14:44
β—‹ 2026-02-17 22:17:30
β—‹ 2026-08-11 16:26:12
β—‹MXcluster4.us.messagelabs.com2015-08-24 β†’ 2017-09-02 Β· 4 obs
● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
β—‹ 2020-11-30 04:14:44
β—‹ 2026-08-11 16:26:12
β—‹MXcluster4a.us.messagelabs.com2015-08-24 β†’ 2017-09-02 Β· 4 obs
● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
β—‹ 2020-11-30 04:14:44
β—‹ 2026-08-11 16:26:12
●MXsertech-com.mail.protection.outlook.com2020-11-30 β†’ 2026-08-11 Β· 6 obs
β—‹ 2017-09-02 21:38:50
● 2020-11-30 04:14:44
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12
β—‹A74.113.59.122015-08-24 β†’ 2017-09-02 Β· 4 obs
● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
β—‹ 2020-11-30 04:14:44
β—‹ 2026-08-11 16:26:12
●A74.113.59.252020-11-30 β†’ 2026-08-11 Β· 6 obs
β—‹ 2017-09-02 21:38:50
● 2020-11-30 04:14:44
● 2026-06-16 16:14:52
β—‹ 2026-06-30 18:03:40
● 2026-07-13 01:21:20
● 2026-08-11 16:26:12

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...-
sertech.comdns1.sertech.net, dns2.sertech.net-

βœ… Authoritative Response

Server:74.113.59.6

NS records: dns1.sertech.net, dns2.sertech.net

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sertech.com (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A174.113.59.25
NS4dns1.sertech.com, dns2.sertech.com...
MX1sertech-com.mail.protection.outlook.com
TXT4rii2ifhlat4eu7gcfnn4njpfd0, k4unpmoracbue4g2o54otf9ukp...
SOA1dns1.sertech.net dns2.sertech.com

Analysis

Hierarchy

sertech.com has four subdomains: dns1.sertech.com, ns02.sertech.com, ns01.sertech.com and dns2.sertech.com.

IP Addresses

sertech.com resolves to one IP address: 74.113.59.25.

Name Servers

sertech.com has 6 name servers β€” dns1.sertech.com, dns2.sertech.com, ns01.sertech.com and 3 others.

The name servers for sertech.com are partially shared with other domains like member-offers.com, member-credit.com and sertech.net

These name servers tend to appear in combination with the name servers dns1.sertech.net, dns2.sertech.net, ns01.sertech.net and ns02.sertech.net.

Hosts with just one IP address:

dns1.sertech.com resolves to 74.113.59.6.

dns2.sertech.com resolves to 74.113.59.6.

ns01.sertech.com resolves to 74.113.59.6.

ns02.sertech.com resolves to 74.113.59.6.

dns1.sertech.net resolves to 74.113.59.6.

dns2.sertech.net resolves to 74.113.59.19.

The host names dns1.sertech.com, dns2.sertech.com, ns01.sertech.com and two others direct to 74.113.59.6.

Mail Servers

Mail for sertech.com is handled by a single mail server, sertech-com.mail.protection.outlook.com.

sertech-com.mail.protection.outlook.com resolves to 8 IP addresses β€” 52.101.10.12, 52.101.10.18, 52.101.11.10 and 5 others.