gerontofys.dk

Records from scan: 2026-10-12 13:26:00 · 1340ms total · last checked 2026-10-16 18:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gerontofys.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.102.88.49 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by gerontofys-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.102.88.49	3600s	—	AS47292	Sentia Denmark A/S	91.102.88.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gerontofys-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:c967::c 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.181.153 52.101.209.28 52.101.68.10 52.101.68.27	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 157ms

TXT Record
ms45223720
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gerontofys.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.gerontofys.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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#

checked 2026-10-12 13:26:00

www	91.102.88.49 (AS47292) (address records, no CNAME)
www vs bare domain	Same network gerontofys.dk: 91.102.88.49 (AS47292) www.gerontofys.dk: 91.102.88.49 (AS47292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-gerontofys-dk._domainkey.gerontofys.q-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-gerontofys-dk._domainkey.gerontofys.q-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026101104
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 2026-10-11 15:11:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-02-23
Expires	2028-02-29 (499d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

34ms

37ms

AAAA

39ms

TXT

157ms

CAA

32ms

HTTPS

42ms

TLSA

917ms

SOA

46ms

MTA-STS

43ms

DNSSEC

56ms

SRV

74ms

Total

1340ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:26:00 shown	1340ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 14:29:42	1800ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 11:14:55	2291ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 12:48:10	4698ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 05:38:53	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 06:55:54	1824ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 13:09:14	9769ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-29 23:32:45	845ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 06:55:07	1233ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:34:42	944ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 13:54:51	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:31:20	2664ms	2 NS 1 A 1 MX	🔒 Secure