mcgrawhill.mx - robtex.com
mcgrawhill.mx
| DNSSEC | β οΈ Not signed | ||||||
| NS | pdns85.ultradns.biz β οΈ Not in zone NS records | ||||||
| A | 2610:a1:1015::79πΊπΈ MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| A | 156.154.66.85πΊπΈ MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| NS | pdns85.ultradns.com β οΈ Not in zone NS records | ||||||
| A | 2001:502:f3ff::79πΊπΈ MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| A | 156.154.64.85πΊπΈ MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| NS | pdns85.ultradns.net β οΈ Not in zone NS records | ||||||
| A | 2610:a1:1014::79πΊπΈ MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| A | 156.154.65.85πΊπΈ MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| NS | pdns85.ultradns.org β οΈ Not in zone NS records | ||||||
| A | 2001:502:4612::79πΊπΈ MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| A | 156.154.67.85πΊπΈ MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
mx
| DNSSEC | π Signed (DS record present) | ||||||
| NS | m.mx-ns.mx β | ||||||
| NS | c.mx-ns.mx | ||||||
| NS | e.mx-ns.mx | ||||||
| NS | i.mx-ns.mx | ||||||
| NS | o.mx-ns.mx | ||||||
| NS | x.mx-ns.mx | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | m.mx-ns.mxhostmaster@nic.mx serial=1777054221 | ||||||
Same first word
DNS History
12 records (4 active, 8 former)
βNSdns1.hospeda.mx2017-04-04 β 2017-04-04 Β· 4 obs
β 2017-04-04 11:17:00
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βNSdns2.hospeda.mx2017-04-04 β 2017-04-04 Β· 4 obs
β 2017-04-04 11:17:00
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βNSns1.sedoparking.com2015-07-24 β 2016-07-24 Β· 4 obs
β 2016-07-24 15:20:52
β 2017-04-04 11:17:00
β 2026-04-24 18:31:32
βNSns2.sedoparking.com2015-07-24 β 2016-07-24 Β· 4 obs
β 2016-07-24 15:20:52
β 2017-04-04 11:17:00
β 2026-04-24 18:31:32
βNSpdns85.ultradns.biz2026-04-23 β 2026-04-24 Β· 3 obs
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βNSpdns85.ultradns.com2026-04-23 β 2026-04-24 Β· 3 obs
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βNSpdns85.ultradns.net2026-04-23 β 2026-04-24 Β· 3 obs
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βNSpdns85.ultradns.org2026-04-23 β 2026-04-24 Β· 3 obs
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βMXmail.mcgrawhill.mx2017-04-04 β 2017-04-04 Β· 4 obs
β 2017-04-04 11:17:00
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βMXmail.nickstel.com2015-07-24 β 2016-07-24 Β· 4 obs
β 2016-07-24 15:20:52
β 2017-04-04 11:17:00
β 2026-04-24 18:31:32
βA173.255.130.372017-04-04 β 2017-04-04 Β· 4 obs
β 2017-04-04 11:17:00
β 2026-04-23 12:36:38
β 2026-04-24 18:31:32
βA72.52.4.912015-07-24 β 2016-07-24 Β· 4 obs
β 2016-07-24 15:20:52
β 2017-04-04 11:17:00
β 2026-04-24 18:31:32
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | - |
| mcgrawhill.mx | pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net | - |
β Authoritative Response
Server:156.154.67.85
NS records: pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mcgrawhill.mx (unsigned zone)
β±οΈ Timing
Total: 526ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
mcgrawhill.mx is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
mcgrawhill.mx at least partially shares name servers with other domains such as wncpmath10.com, mcgrawhill-textbooks.com, simnetkeepitsimple.com, topclassroom.us and mcgrawhill.gen.in.
Host names with two IP numbers:
pdns85.ultradns.biz points to 2610:a1:1015::79 and 156.154.66.85
pdns85.ultradns.com points to 2001:502:f3ff::79 and 156.154.64.85
pdns85.ultradns.net points to 2610:a1:1014::79 and 156.154.65.85
pdns85.ultradns.org points to 2001:502:4612::79 and 156.154.67.85