office-b.com - robtex.com
office-b.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 133.167.8.78๐ฏ๐ต SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5168.sakura.ne.jp | ||||||
| NS | 01.dnsv.jp โญ | ||||||
| A | 2400:8500:3300::53๐ฏ๐ต GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53๐ฏ๐ต GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53๐ฏ๐ต GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53๐ฏ๐ต GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53๐ฏ๐ต GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53๐ฏ๐ต GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53๐ฏ๐ต GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | aspmx.l.google.com โญ | ||||||
| A | 2607:f8b0:4023:c0d::1b๐บ๐ธ Google2607:f8b0::/32 | ||||||
| PTR | dl-in-f27.1e100.net | ||||||
| A | 142.250.101.26๐บ๐ธ Google142.250.101.0/24 | ||||||
| PTR | dz-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2a00:1450:400b:c02::1b๐ฎ๐ช Google2a00:1450:400b::/48 | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.27๐บ๐ธ Google172.253.116.0/24 | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | l.alt1.aspmx.google.com(5) | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| A | 2607:f8b0:4023:2801::1a๐บ๐ธ Google2607:f8b0::/32 | ||||||
| PTR | lcausi-in-f26.1e100.net | ||||||
| A | 192.178.128.27๐บ๐ธ Google192.178.128.0/24 | ||||||
| PTR | lcausi-in-f27.1e100.net | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| A | 2607:f8b0:4023:3003::1b๐บ๐ธ Google2607:f8b0::/32 | ||||||
| PTR | yulnkjt-in-f27.1e100.net | ||||||
| A | 172.253.145.26๐บ๐ธ Google172.253.145.0/24 | ||||||
| PTR | yulnkjt-in-f26.1e100.net | ||||||
| TXT | google-site-verification=oAuYq1pPg5vsCKGbCueb1Hv3_b8tGD8wKVTMxzcfm24 | ||||||
| TXT | google-site-verification=sWnGbJvUtLBEHE-FZZv4ai0eRwC-O2Kin2ro7MuRkp8 | ||||||
| TXT | slack-domain-verification=Kn862FP7BJCsfxlEdBpFoCy5ptQL12HWDwImzsir | ||||||
| TXT | v=spf1 include:_spf.google.com include:zcsend.net include:transmail.net inclu... | ||||||
| TXT | worksmobile.certification.xqo79564hw4ykqgjgb.royuymlhlufoif.iegfbswpb | ||||||
| TXT | zoho-verification=zb42544097.zmverify.zoho.com | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1776156348 | ||||||
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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.netnstld@verisign-grs.com serial=1776996211 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (10 active, 2 former)
โMXalt2.aspmx.l.google.com2015-07-12 โ 2026-04-24 ยท 2 obs
โ 2026-04-24 02:19:24
โMXaspmx.l.google.com2015-07-12 โ 2026-04-24 ยท 2 obs
โ 2026-04-24 02:19:24
โMXaspmx2.googlemail.com2015-07-12 โ 2026-04-24 ยท 2 obs
โ 2026-04-24 02:19:24
โMXaspmx3.googlemail.com2015-07-12 โ 2026-04-24 ยท 2 obs
โ 2026-04-24 02:19:24
โMXl.alt1.aspmx.google.com2015-07-12 โ 2026-04-24 ยท 2 obs
โ 2026-04-24 02:19:24
โA124.38.213.62015-07-12 โ 2016-06-17 ยท 4 obs
โ 2016-06-17 15:34:42
โ 2017-10-15 12:06:20
โ 2026-04-24 02:19:24
โA133.167.8.782026-02-18 โ 2026-04-24 ยท 3 obs
โ 2026-02-18 10:51:22
โ 2026-04-24 02:19:24
โA52.69.253.1972017-10-15 โ 2017-10-15 ยท 4 obs
โ 2017-10-15 12:06:20
โ 2026-02-18 10:51:22
โ 2026-04-24 02:19:24
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net... | - |
| office-b.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
โ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for office-b.com (unsigned zone)
โฑ๏ธ Timing
Total: 1106ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.8.78 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| TXT | 6 | google-site-verification=oAuYq1pPg5vsCKG, google-site-verification=sWnGbJvUtLBEHE-... |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
office-b.com is a parent of mail.office-b.com and www.office-b.com.
IP Addresses
office-b.com points to a single IP: 133.167.8.78.
Other host names, for instance bliss-burakuri.com, www.office-b.com, toproad.tank.jp, www.tsushima-ds.co.jp and www.obg.co.jp share IP numbers with office-b.com.
Name Servers
office-b.com's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
office-b.com partially shares name servers with other domains; examples include akainobuo.com, portalmc.online, aeonculture.biz, lepetitprince.jp and uemura-glass.com.
Host names with two IP numbers: 01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53; 03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53; 04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53. Host names with one IP number: 02.dnsv.jp points to 157.7.33.53.
Mail Servers
Five mail servers handle office-b.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, l.alt1.aspmx.google.com and alt2.aspmx.l.google.com.
office-b.com shares some mail servers with other domains, at least partially, such as ns500765.ns500734.ns500693.ns500693.ns500699.ns500699.ns500693.ns500699.ns500588.ns500588.ns500699.ns500699.ns500699.ns500588.ns500602.dtrkdll.com, foxsearchlightscreenings.net, timecentres.com, acelabelworld.com and ns500758.ns500759.ns500758.ns500736.ns500698.ns500698.ns500735.ns500735.ns500698.ns500698.ns500698.ns500708.ns500619.ns500652.ns500619.trackreceptor.com.
these mail servers are commonly used with alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27
aspmx3.googlemail.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26
aspmx.l.google.com points to 2607:f8b0:4023:c0d::1b and 142.250.101.26
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27