u-library.kr - robtex.com

u-library.kr

DNSSEC⚠️ Not signed
NSns.u-library.kr ⭐
A58.228.61.3🇰🇷 SKB-NET58.224.0.0/13 SKB summary
NSns1.uhost.co.kr ⚠️ Not in zone NS records
A202.31.187.220🇰🇷 KT-NET202.31.187.0/24 I Names
NSns2.uhost.co.kr ⚠️ Not in zone NS records
A219.251.156.14🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600
MXmail2.u-library.kr ⭐
A58.228.61.26🇰🇷 SKB-NET58.224.0.0/13 SKB summary
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx.l.google.com(20)
A2607:f8b0:4023:c0d::1a🇺🇸 Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A142.250.141.27🇺🇸 Google142.250.141.0/24
PTRdd-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXT_sgy0f588q4w4xy6iqduvbbf40uesrdg
SOAns.u-library.kradmin@u-library.kr 2026-01-22 #1

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2605140812
📈 Tranco rank: #690,600

Subdomains

ns.u-library.kr
www.u-library.kr
mail2.u-library.kr

Same first word

u-library.kr
u-library.eu
u-library.gov.my
u-library.com

DNS History

13 records (11 active, 2 former)

20162017201820192020202120222023202420252026NSns.u-library.krns1.uhost.co.krns2.uhost.co.krns1.hanbatlibrary.krMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.commail2.u-library.krA58.228.61.101
●NSns.u-library.kr2026-05-13 → 2026-05-14 · 3 obs
○ 2017-03-14 21:12:40
● 2026-05-13 13:12:14
● 2026-05-14 08:10:38
○NSns1.hanbatlibrary.kr2015-08-23 → 2017-03-14 · 4 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
○ 2026-05-14 08:10:38
●NSns1.uhost.co.kr2026-05-13 → 2026-05-14 · 3 obs
○ 2017-03-14 21:12:40
● 2026-05-13 13:12:14
● 2026-05-14 08:10:38
●NSns2.uhost.co.kr2026-05-13 → 2026-05-14 · 3 obs
○ 2017-03-14 21:12:40
● 2026-05-13 13:12:14
● 2026-05-14 08:10:38
●MXalt1.aspmx.l.google.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXalt2.aspmx.l.google.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXaspmx.l.google.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXaspmx2.googlemail.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXaspmx3.googlemail.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXaspmx4.googlemail.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXaspmx5.googlemail.com2015-08-23 → 2026-05-14 · 5 obs
● 2015-08-23 11:02:38
● 2017-03-14 21:12:40
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
●MXmail2.u-library.kr2026-05-14 → 2026-05-14 · 3 obs
○ 2026-05-13 13:12:14
● 2026-05-14 08:10:36
● 2026-05-14 08:10:38
○A58.228.61.1012015-08-23 → 2026-05-13 · 4 obs
● 2015-08-23 11:02:38
● 2026-05-13 13:12:14
○ 2026-05-14 08:10:36
○ 2026-05-14 08:10:38

🔍 DNS Trace

Analysis

Hierarchy

u-library.kr has ns.u-library.kr, www.u-library.kr and mail2.u-library.kr as children.

Name Servers

u-library.kr is delegated to three name servers: ns.u-library.kr, ns1.uhost.co.kr and ns2.uhost.co.kr.

u-library.kr at least partially shares name servers with other domains, for example asiadcc.co.kr, rohm.co.kr, theleast.or.kr, websolid.co.kr and kbes.kr.

Host names with a single IP address:

ns.u-library.kr resolves to 58.228.61.3.

ns1.uhost.co.kr resolves to 202.31.187.220.

ns2.uhost.co.kr resolves to 219.251.156.14.

Mail Servers

u-library.kr is served by eight mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, mail2.u-library.kr, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

u-library.kr shares at least partially some mail servers with other domains, for instance mensherbalproducts.com, fanperks.com, ns500758.ns500758.ns500759.ns500758.ns500698.ns500736.ns500576.ns500708.ns500652.ns500619.ns500619.trackreceptor.com, lordofwinter.com and eathumblepies.com.

These mail servers are often used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27

aspmx3.googlemail.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26

aspmx4.googlemail.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27

aspmx5.googlemail.com points to 2607:f8b0:4001:c70::1b and 192.178.209.27

aspmx.l.google.com points to 2607:f8b0:4023:c0d::1a and 142.250.141.27

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

Host names with one IP number:

mail2.u-library.kr points to 58.228.61.26

Host names that point to 108.177.123.27: aspmx2.googlemail.com and alt1.aspmx.l.google.com