Douglas lost their 100 per cent record when they drew 21-21 with table top rivals Glossop in South Lancashire/Cheshire Division One - a result which suited neither side.
Douglas still hold their second place in the table but are now five adrift of leaders New Brighton.
They built a promising half time lead of 15-0 with tries from Daryn Thompson and Lance Wyllie, plus a penalty and conversion from Bryn Snellgrove.
In the second half, Glossop hit back to level the match before Snellgrove kicked Douglas clear, only for Glossop to snatch a draw in the depths of injury time.
In Division Two, Vagabonds picked up a valuable away win when they beat struggling Wallasey 31-3 and picked up a bonus point in the process.
It was the Vagas back line which did the damage.
Sam Liver and Tom Gascoyne both picked up two tries apiece with Andre Pretorious grabbing the fifth.
Struggling Ramsey went down to another big defeat on the road, crashing 55-5 at Oswestry after making 11 forced changes to the squad which beat Wallasey last Saturday.
Vice captain Daniel Bonwick grabbed a consolation try for Ramsey who desperately need to find some consistency as they aim to climb away from the foot of the table.
There was no good news for Vagabonds Ladies as they went down on the road 36-0 at Preston Grasshoppers.
Vagas are now winless from four games with just two bonus points to show for their efforts.