sertech.com - dns.ninja

`sertech.com`

DNSSEC	⚠️ Not signed
A	74.113.59.25^{🇺🇸 AS3189374.113.56.0/21 H5}
		PTR	`74_113_59_25.sertechnology.h5colo.com`
NS	`dns1.sertech.net` ⭐ ⚠️ Not in zone NS records
		A	74.113.59.6^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`dns1.sertech.net`
NS	`dns1.sertech.com` ⚠️ Not in parent delegation
		A	74.113.59.6^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`dns1.sertech.net`
NS	`dns2.sertech.com` ⚠️ Not in parent delegation
		A	74.113.59.6^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`dns1.sertech.net`
NS	`dns2.sertech.net` ⚠️ Not in zone NS records
		A	74.113.59.19^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`74_113_59_19.sertechnology.h5colo.com`
NS	`ns01.sertech.com` ⚠️ Not in parent delegation
		A	74.113.59.6^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`dns1.sertech.net`
NS	`ns02.sertech.com` ⚠️ Not in parent delegation
		A	74.113.59.6^{🇺🇸 AS3189374.113.56.0/21 H5}
			PTR	`dns1.sertech.net`
MX	`sertech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 a mx ip4:74.113.59.1/24 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:4...`
TXT	`k4unpmoracbue4g2o54otf9ukp`
TXT	`rii2ifhlat4eu7gcfnn4njpfd0`
TXT	`MS=ms83564142`
SOA	`dns1.sertech.net`dns2@sertech.com serial=1340124621

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	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.net`nstld@verisign-grs.com serial=1781626095

Subdomains

dns1.sertech.com

ns02.sertech.com

ns01.sertech.com

dns2.sertech.com

Same first word

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sretech.io

DNS History

13 records (8 active, 5 former)

●NSdns1.sertech.com2026-02-17 → 2026-06-16 · 3 obs

○ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52

●NSdns1.sertech.net2015-08-24 → 2026-06-16 · 2 obs

● 2015-08-24 02:31:58
● 2026-06-16 16:14:52

●NSdns2.sertech.com2026-02-17 → 2026-06-16 · 3 obs

○ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52

●NSdns2.sertech.net2015-08-24 → 2026-06-16 · 2 obs

● 2015-08-24 02:31:58
● 2026-06-16 16:14:52

●NSns01.sertech.com2026-02-17 → 2026-06-16 · 3 obs

○ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52

○NSns01.sertech.net2016-08-26 → 2020-11-30 · 5 obs

○ 2015-08-24 02:31:58
● 2016-08-26 16:02:56
● 2020-11-30 04:14:44
○ 2026-02-17 22:17:30
○ 2026-06-16 16:14:52

●NSns02.sertech.com2026-02-17 → 2026-06-16 · 3 obs

○ 2020-11-30 04:14:44
● 2026-02-17 22:17:30
● 2026-06-16 16:14:52

○NSns02.sertech.net2016-08-26 → 2020-11-30 · 5 obs

○ 2015-08-24 02:31:58
● 2016-08-26 16:02:56
● 2020-11-30 04:14:44
○ 2026-02-17 22:17:30
○ 2026-06-16 16:14:52

○MXcluster4.us.messagelabs.com2015-08-24 → 2017-09-02 · 4 obs

● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
○ 2020-11-30 04:14:44
○ 2026-06-16 16:14:52

○MXcluster4a.us.messagelabs.com2015-08-24 → 2017-09-02 · 4 obs

● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
○ 2020-11-30 04:14:44
○ 2026-06-16 16:14:52

●MXsertech-com.mail.protection.outlook.com2020-11-30 → 2026-06-16 · 3 obs

○ 2017-09-02 21:38:50
● 2020-11-30 04:14:44
● 2026-06-16 16:14:52

○A74.113.59.122015-08-24 → 2017-09-02 · 4 obs

● 2015-08-24 02:31:58
● 2017-09-02 21:38:50
○ 2020-11-30 04:14:44
○ 2026-06-16 16:14:52

●A74.113.59.252020-11-30 → 2026-06-16 · 3 obs

○ 2017-09-02 21:38:50
● 2020-11-30 04:14:44
● 2026-06-16 16:14:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sertech.com	dns1.sertech.net, dns2.sertech.net	-

✅ Authoritative Response

Server:74.113.59.19

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sertech.com (unsigned zone)

⏱️ Timing

Total: 368ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.113.59.25`
NS	4	`dns1.sertech.com, dns2.sertech.com...`
MX	1	`sertech-com.mail.protection.outlook.com`
TXT	4	`MS=ms83564142, v=spf1 a mx ip4:74.113.59.1/24 ip4:23.10...`
SOA	1	`dns1.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 points to a single IP number: 74.113.59.25.

Name Servers

sertech.com is served by 6 authoritative name servers — among them dns1.sertech.com, dns2.sertech.com, ns01.sertech.com and 3 others.

sertech.com has some name servers in common with other domains such as 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.

Host names pointing to a single IP address:

The hostname dns1.sertech.com resolves to 74.113.59.6.

The hostname dns2.sertech.com resolves to 74.113.59.6.

The hostname ns01.sertech.com resolves to 74.113.59.6.

The hostname ns02.sertech.com resolves to 74.113.59.6.

The hostname dns1.sertech.net resolves to 74.113.59.6.

The hostname 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

sertech.com has one mail server: sertech-com.mail.protection.outlook.com.

sertech-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.12, 52.101.10.1, 52.101.50.1 and 5 other.