concrete-sys.com - robtex.com

concrete-sys.com

DNSSEC⚠️ Not signed
A207.251.49.3🇺🇸 LoboNet207.251.48.0/20 Lobo Internet Service, Ltd.
PTRcp02.lobointernet.com
NSns1.lobointernet.com ⭐
A207.251.49.114🇺🇸 LoboNet207.251.48.0/20 Lobo Internet Service, Ltd.
PTRns1.lobointernet.com
NSns2.lobointernet.com
A216.243.97.118🇺🇸 LoboNet216.243.96.0/20 Lobo Internet Service, Ltd.
PTRns2.lobointernet.com
MXconcrete-sys.com ⭐
A207.251.49.3🇺🇸 LoboNet207.251.48.0/20 Lobo Internet Service, Ltd.
PTRcp02.lobointernet.com
TXTv=spf1 ip4:207.251.49.3 +a +mx +ip4:207.251.49.2 ~all
SOAns1.lobointernet.comitadmin@lobointernet.com 2026-01-18 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775377952
WOT: SAFE (61/100)

MX for

concrete-sys.com

Same first word

concrete-sys.com

DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSns1.lobointernet.comns2.lobointernet.comns1.lobo.comns1.meganameservers.comns2.lobo.comns2.meganameservers.comns3.meganameservers.comMXconcrete-sys.commx.lobo.netmx1c2.megamailservers.commx2c2.megamailservers.commx3c2.megamailservers.comA207.251.49.3207.251.49.2216.251.43.98
○NSns1.lobo.com2020-03-19 → 2020-03-19 · 4 obs
○ 2017-02-12 02:08:34
● 2020-03-19 15:17:20
○ 2026-02-26 22:04:46
○ 2026-04-05 08:58:34
●NSns1.lobointernet.com2026-02-26 → 2026-04-05 · 3 obs
○ 2020-03-19 15:17:20
● 2026-02-26 22:04:46
● 2026-04-05 08:58:34
○NSns1.meganameservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
○NSns2.lobo.com2020-03-19 → 2020-03-19 · 4 obs
○ 2017-02-12 02:08:34
● 2020-03-19 15:17:20
○ 2026-02-26 22:04:46
○ 2026-04-05 08:58:34
●NSns2.lobointernet.com2026-02-26 → 2026-04-05 · 3 obs
○ 2020-03-19 15:17:20
● 2026-02-26 22:04:46
● 2026-04-05 08:58:34
○NSns2.meganameservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
○NSns3.meganameservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
●MXconcrete-sys.com2026-02-26 → 2026-04-05 · 3 obs
○ 2020-03-19 15:17:20
● 2026-02-26 22:04:46
● 2026-04-05 08:58:34
○MXmx.lobo.net2020-03-19 → 2020-03-19 · 4 obs
○ 2017-02-12 02:08:34
● 2020-03-19 15:17:20
○ 2026-02-26 22:04:46
○ 2026-04-05 08:58:34
○MXmx1c2.megamailservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
○MXmx2c2.megamailservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
○MXmx3c2.megamailservers.com2015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34
○A207.251.49.22020-03-19 → 2020-03-19 · 4 obs
○ 2017-02-12 02:08:34
● 2020-03-19 15:17:20
○ 2026-02-26 22:04:46
○ 2026-04-05 08:58:34
●A207.251.49.32026-02-26 → 2026-04-05 · 3 obs
○ 2020-03-19 15:17:20
● 2026-02-26 22:04:46
● 2026-04-05 08:58:34
○A216.251.43.982015-06-26 → 2017-02-12 · 4 obs
● 2015-06-26 07:51:20
● 2017-02-12 02:08:34
○ 2020-03-19 15:17:20
○ 2026-04-05 08:58:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...-
concrete-sys.comns1.lobointernet.com, ns2.lobointernet.com2 records

✅ Authoritative Response

Server:216.243.97.118

NS records: ns1.lobointernet.com, ns2.lobointernet.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concrete-sys.com (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

TypeCountSample Data
A1207.251.49.3
NS2ns1.lobointernet.com, ns2.lobointernet.com
MX1concrete-sys.com (pri: 0)
TXT1v=spf1 ip4:207.251.49.3 +a +mx +ip4:207.
SOA1ns1.lobointernet.com itadmin.lobointerne

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.lobointernet.com, ns2.lobointernet.com)

Analysis

Mail Server Role

The mail server for concrete-sys.com is concrete-sys.com.

IP Addresses

concrete-sys.com maps to IP address 207.251.49.3.

Other host names, for instance mail.netinn.com, sandiapeaktram.com, netinn.com, highfinancerestaurant.com and tcponm.net share IP numbers with concrete-sys.com.

Name Servers

Two name servers ns1.lobointernet.com and ns2.lobointernet.com are delegated to concrete-sys.com.

concrete-sys.com uses the same name server configuration as other domains, such as peaksolutionsllc.com, tcnm.net, nbcnn.com, comnet.com and mountainairnm.gov.

concrete-sys.com at least partially shares name servers with other domains such as prompt.org, andersonsurvey.net, promptinstitute.com, andersonsurvey.com and tiarahomes.net.

These name servers are commonly used with ns3.lobointernet.com and ns4.lobointernet.com.

Host names with a single IP address:

ns1.lobointernet.com points to 207.251.49.114

ns2.lobointernet.com points to 216.243.97.118

Mail Servers

One mail server serves concrete-sys.com.

concrete-sys.com points to one IP number: 207.251.49.3.