grantone.dk

📜 Historical scan 2026-06-21 18:19:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grantone.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.158.91.212 is hosted by T-Systems International GmbH (AS6878) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.158.91.212	600s	—	AS6878	T-Systems International GmbH	80.158.88.0/22	🇩🇪 Germany	—

📧 MX Records#

5 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1800s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c01::1b	rc-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1800s	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1800s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1800s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:400b:c01b::1b	tp-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1800s	alt4.aspmx.l.google.com	192.178.230.26 2607:f8b0:400e:c1e::1b	yunrtab-in-f26.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	52.169.227.115
🔶 Autoconfig	52.169.227.115

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 181ms

TXT Record
google-site-verification=C95tG6f4Cc-f-eNJIGVS7QNoa0b_TcBFJYMSR_zADI0
MS=ms64241669
v=spf1 include:spf.mailjet.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com include:servers.mcsv.net mx ip4:23.229.69.34 ?all

✉️ SPF#

Policy	Record (grantone.dk)
?all (neutral)	v=spf1 include:spf.mailjet.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com include:servers.mcsv.net mx ip4:23.229.69.34 ?all

📨 DMARC#

Policy	Record (_dmarc.grantone.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:b3aa60be8645.a@dmarcinput.com; ruf=mailto:b3aa60be8645.f@dmarcinput.com; fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:08:00

www	80.158.91.212 (AS6878) (address records, no CNAME)
www vs bare domain	Same network grantone.dk: 80.158.91.212 (AS6878) www.grantone.dk: 80.158.91.212 (AS6878)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

79ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

34ms

Field	Value
Serial	2026061801
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 18:59:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-23
Expires	2027-01-31 (105d)

🔗 Same registrant#

11 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
arnevschleschsfond.dk	ONE.COM A/S
christenkoldsfond.dk	ONE.COM A/S
jensogbirtemunksgaardsfond.dk	Punktum dk A/S (direct)
jubilaeumsfondengrundfos.dk	Punktum dk A/S (direct)
kornerupfonden.dk	ONE.COM A/S
neuroscienceacademy.dk	Punktum dk A/S (direct)
neurosciencedenmark.dk	Punktum dk A/S (direct)
nyskovfonden.dk	Punktum dk A/S (direct)
reimannhansensfond.dk	Punktum dk A/S (direct)
steinmannsfond.dk	ONE.COM A/S
vmc-fond.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

41ms

33ms

AAAA

70ms

TXT

181ms

CAA

68ms

HTTPS

33ms

TLSA

211ms

SOA

34ms

MTA-STS

70ms

DNSSEC

79ms

SRV

79ms

Total

721ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:08:00	846ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-25 04:56:54	849ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-23 12:45:11	908ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-17 23:08:33	4976ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 22:11:49	1256ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 18:19:22 shown	721ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 19:24:48	1215ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 17:30:51	3750ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 09:39:54	758ms	2 NS 1 A 5 MX	🔒 Secure