do-u-know.com - robtex.com

do-u-know.com

DNSSEC⚠️ Not signed
A159.223.174.170🇺🇸 DIGITALOCEAN159.223.160.0/19 DigitalOcean
NSns1.hover.com ⭐
A2604:4000:0:d:216:40:47:26🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000
PTRns1.hover.com
A216.40.47.26🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0
PTRns1.hover.com
NSns2.hover.com
A2604:4000:2800:d:64:99:148:13🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.
PTRns2.hover.com
A64.98.148.13🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.
PTRns2.hover.com
NSns3.hover.com ⚠️ Not in zone NS records
A2604:4000:0:d:64:99:96:33🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000
PTRns3.hover.com
A64.99.96.33🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2
PTRns3.hover.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ?all
SOAns1.hover.comdnsmaster@hover.com serial=1720467934

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=1774600592

Same first word

do-u-know.net
do-u-know.com

DNS History

15 records (6 active, 9 former)

2008201020122014201620182020202220242026NSns1.hover.comns2.hover.comns3.hover.comns1.do-u-know.comns2.do-u-know.comns3.do-u-know.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comapollo.win.orgmail.do-u-know.comA159.223.174.170107.170.36.92206.196.106.37206.196.106.4145.55.85.167
○NSns1.do-u-know.com2007-11-12 → 2007-11-12 · 3 obs
● 2007-11-12 10:30:08
○ 2015-09-01 15:10:38
○ 2026-03-27 08:52:56
●NSns1.hover.com2015-09-01 → 2026-03-27 · 3 obs
○ 2007-11-12 10:30:08
● 2015-09-01 15:10:38
● 2026-03-27 08:52:56
○NSns2.do-u-know.com2007-11-12 → 2007-11-12 · 3 obs
● 2007-11-12 10:30:08
○ 2015-09-01 15:10:38
○ 2026-03-27 08:52:56
●NSns2.hover.com2015-09-01 → 2026-03-27 · 3 obs
○ 2007-11-12 10:30:08
● 2015-09-01 15:10:38
● 2026-03-27 08:52:56
○NSns3.do-u-know.com2007-11-12 → 2007-11-12 · 3 obs
● 2007-11-12 10:30:08
○ 2015-09-01 15:10:38
○ 2026-03-27 08:52:56
●NSns3.hover.com2026-03-26 → 2026-03-27 · 3 obs
○ 2015-09-01 15:10:38
● 2026-03-26 18:44:16
● 2026-03-27 08:52:56
○MXapollo.win.org2007-11-12 → 2007-11-12 · 3 obs
● 2007-11-12 10:30:08
○ 2015-09-01 15:10:38
○ 2026-03-27 08:52:56
●MXin1-smtp.messagingengine.com2026-03-26 → 2026-03-27 · 3 obs
○ 2018-07-07 05:47:44
● 2026-03-26 18:44:16
● 2026-03-27 08:52:56
●MXin2-smtp.messagingengine.com2026-03-26 → 2026-03-27 · 3 obs
○ 2018-07-07 05:47:44
● 2026-03-26 18:44:16
● 2026-03-27 08:52:56
○MXmail.do-u-know.com2015-09-01 → 2018-07-07 · 5 obs
○ 2007-11-12 10:30:08
● 2015-09-01 15:10:38
● 2018-07-07 05:47:44
○ 2026-03-26 18:44:16
○ 2026-03-27 08:52:56
○A107.170.36.922016-06-26 → 2018-07-07 · 5 obs
○ 2016-04-05 02:50:24
● 2016-06-26 00:59:06
● 2018-07-07 05:47:44
○ 2026-03-26 18:44:16
○ 2026-03-27 08:52:56
●A159.223.174.1702026-03-26 → 2026-03-27 · 3 obs
○ 2018-07-07 05:47:44
● 2026-03-26 18:44:16
● 2026-03-27 08:52:56
○A206.196.106.372015-09-01 → 2015-09-01 · 4 obs
○ 2007-11-12 10:30:08
● 2015-09-01 15:10:38
○ 2015-10-21 23:03:30
○ 2026-03-27 08:52:56
○A206.196.106.412007-11-12 → 2007-11-12 · 3 obs
● 2007-11-12 10:30:08
○ 2015-09-01 15:10:38
○ 2026-03-27 08:52:56
○A45.55.85.1672015-10-21 → 2016-04-05 · 5 obs
○ 2007-11-12 10:30:08
● 2015-10-21 23:03:30
● 2016-04-05 02:50:24
○ 2016-06-26 00:59:06
○ 2026-03-27 08:52:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
do-u-know.comns3.hover.com, ns1.hover.com, ns2.hover.com6 records

✅ Authoritative Response

Server:64.99.96.33

NS records: ns3.hover.com, ns1.hover.com, ns2.hover.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for do-u-know.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

TypeCountSample Data
A1159.223.174.170
NS2ns2.hover.com, ns1.hover.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ?
SOA1ns1.hover.com dnsmaster.hover.com

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.hover.com, ns3.hover.com, ns1.hover.com...)

Analysis

IP Addresses

do-u-know.com resolves to one IP number: 159.223.174.170.

Name Servers

do-u-know.com is delegated to three name servers ns1.hover.com, ns2.hover.com and ns3.hover.com.

do-u-know.com at least partially shares name servers with other domains, for instance northpointlubbock.com, sabreya.com, rubyrock37.com, swresa.org and amelialearning.com.

Host names with two IP numbers:

ns1.hover.com points to: 2604:4000:0:d:216:40:47:26 and 216.40.47.26.

ns2.hover.com points to: 2604:4000:2800:d:64:99:148:13 and 64.98.148.13.

ns3.hover.com points to: 2604:4000:0:d:64:99:96:33 and 64.99.96.33.

Mail Servers

Two mail servers handle do-u-know.com: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

do-u-know.com shares the same mail server setup as other domains, for instance iktjilp.be, secore.me, veeramani.com, mfcl.ca and blinkjs.com.

do-u-know.com shares mail servers with other domains to some extent, for instance eprov.eu.

Host names with eight IPs:

in1-smtp.messagingengine.com points to 103.168.172.216103.168.172.217103.168.172.218103.168.172.219103.168.172.220103.168.172.221103.168.172.222 and 103.168.172.223.

Host names with four IPs:

in2-smtp.messagingengine.com points to 202.12.124.216202.12.124.217202.12.124.218 and 202.12.124.219.